15 files changed, 248 insertions, 281 deletions

diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 2d568246803f..a9d6c97b5b0d 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -11,7 +11,7 @@
 #include <linux/module.h>
 #include <linux/mount.h>
 #include <linux/nsproxy.h>
-#include <linux/parser.h>
+#include <linux/fs_parser.h>
 #include <linux/sched.h>
 #include <linux/sched/mm.h>
 #include <linux/seq_file.h>
@@ -254,58 +254,77 @@ enum {
 	Opt_mount_timeout,
 	Opt_osd_idle_ttl,
 	Opt_osd_request_timeout,
-	Opt_last_int,
 	/* int args above */
 	Opt_fsid,
 	Opt_name,
 	Opt_secret,
 	Opt_key,
 	Opt_ip,
-	Opt_last_string,
 	/* string args above */
 	Opt_share,
-	Opt_noshare,
 	Opt_crc,
-	Opt_nocrc,
 	Opt_cephx_require_signatures,
-	Opt_nocephx_require_signatures,
 	Opt_cephx_sign_messages,
-	Opt_nocephx_sign_messages,
 	Opt_tcp_nodelay,
-	Opt_notcp_nodelay,
 	Opt_abort_on_full,
 };
 
-static match_table_t opt_tokens = {
-	{Opt_osdtimeout, "osdtimeout=%d"},
-	{Opt_osdkeepalivetimeout, "osdkeepalive=%d"},
-	{Opt_mount_timeout, "mount_timeout=%d"},
-	{Opt_osd_idle_ttl, "osd_idle_ttl=%d"},
-	{Opt_osd_request_timeout, "osd_request_timeout=%d"},
-	/* int args above */
-	{Opt_fsid, "fsid=%s"},
-	{Opt_name, "name=%s"},
-	{Opt_secret, "secret=%s"},
-	{Opt_key, "key=%s"},
-	{Opt_ip, "ip=%s"},
-	/* string args above */
-	{Opt_share, "share"},
-	{Opt_noshare, "noshare"},
-	{Opt_crc, "crc"},
-	{Opt_nocrc, "nocrc"},
-	{Opt_cephx_require_signatures, "cephx_require_signatures"},
-	{Opt_nocephx_require_signatures, "nocephx_require_signatures"},
-	{Opt_cephx_sign_messages, "cephx_sign_messages"},
-	{Opt_nocephx_sign_messages, "nocephx_sign_messages"},
-	{Opt_tcp_nodelay, "tcp_nodelay"},
-	{Opt_notcp_nodelay, "notcp_nodelay"},
-	{Opt_abort_on_full, "abort_on_full"},
-	{-1, NULL}
+static const struct fs_parameter_spec ceph_param_specs[] = {
+	fsparam_flag	("abort_on_full",		Opt_abort_on_full),
+	fsparam_flag_no ("cephx_require_signatures",	Opt_cephx_require_signatures),
+	fsparam_flag_no ("cephx_sign_messages",		Opt_cephx_sign_messages),
+	fsparam_flag_no ("crc",				Opt_crc),
+	fsparam_string	("fsid",			Opt_fsid),
+	fsparam_string	("ip",				Opt_ip),
+	fsparam_string	("key",				Opt_key),
+	fsparam_u32	("mount_timeout",		Opt_mount_timeout),
+	fsparam_string	("name",			Opt_name),
+	fsparam_u32	("osd_idle_ttl",		Opt_osd_idle_ttl),
+	fsparam_u32	("osd_request_timeout",		Opt_osd_request_timeout),
+	fsparam_u32	("osdkeepalive",		Opt_osdkeepalivetimeout),
+	__fsparam	(fs_param_is_s32, "osdtimeout", Opt_osdtimeout,
+			 fs_param_deprecated),
+	fsparam_string	("secret",			Opt_secret),
+	fsparam_flag_no ("share",			Opt_share),
+	fsparam_flag_no ("tcp_nodelay",			Opt_tcp_nodelay),
+	{}
+};
+
+static const struct fs_parameter_description ceph_parameters = {
+        .name           = "libceph",
+        .specs          = ceph_param_specs,
 };
 
+struct ceph_options *ceph_alloc_options(void)
+{
+	struct ceph_options *opt;
+
+	opt = kzalloc(sizeof(*opt), GFP_KERNEL);
+	if (!opt)
+		return NULL;
+
+	opt->mon_addr = kcalloc(CEPH_MAX_MON, sizeof(*opt->mon_addr),
+				GFP_KERNEL);
+	if (!opt->mon_addr) {
+		kfree(opt);
+		return NULL;
+	}
+
+	opt->flags = CEPH_OPT_DEFAULT;
+	opt->osd_keepalive_timeout = CEPH_OSD_KEEPALIVE_DEFAULT;
+	opt->mount_timeout = CEPH_MOUNT_TIMEOUT_DEFAULT;
+	opt->osd_idle_ttl = CEPH_OSD_IDLE_TTL_DEFAULT;
+	opt->osd_request_timeout = CEPH_OSD_REQUEST_TIMEOUT_DEFAULT;
+	return opt;
+}
+EXPORT_SYMBOL(ceph_alloc_options);
+
 void ceph_destroy_options(struct ceph_options *opt)
 {
 	dout("destroy_options %p\n", opt);
+	if (!opt)
+		return;
+
 	kfree(opt->name);
 	if (opt->key) {
 		ceph_crypto_key_destroy(opt->key);
@@ -317,7 +336,9 @@ void ceph_destroy_options(struct ceph_options *opt)
 EXPORT_SYMBOL(ceph_destroy_options);
 
 /* get secret from key store */
-static int get_secret(struct ceph_crypto_key *dst, const char *name) {
+static int get_secret(struct ceph_crypto_key *dst, const char *name,
+		      struct fs_context *fc)
+{
 	struct key *ukey;
 	int key_err;
 	int err = 0;
@@ -330,20 +351,20 @@ static int get_secret(struct ceph_crypto_key *dst, const char *name) {
 		key_err = PTR_ERR(ukey);
 		switch (key_err) {
 		case -ENOKEY:
-			pr_warn("ceph: Mount failed due to key not found: %s\n",
-				name);
+			errorf(fc, "libceph: Failed due to key not found: %s",
+			       name);
 			break;
 		case -EKEYEXPIRED:
-			pr_warn("ceph: Mount failed due to expired key: %s\n",
-				name);
+			errorf(fc, "libceph: Failed due to expired key: %s",
+			       name);
 			break;
 		case -EKEYREVOKED:
-			pr_warn("ceph: Mount failed due to revoked key: %s\n",
-				name);
+			errorf(fc, "libceph: Failed due to revoked key: %s",
+			       name);
 			break;
 		default:
-			pr_warn("ceph: Mount failed due to unknown key error %d: %s\n",
-				key_err, name);
+			errorf(fc, "libceph: Failed due to key error %d: %s",
+			       key_err, name);
 		}
 		err = -EPERM;
 		goto out;
@@ -361,217 +382,157 @@ out:
 	return err;
 }
 
-struct ceph_options *
-ceph_parse_options(char *options, const char *dev_name,
-			const char *dev_name_end,
-			int (*parse_extra_token)(char *c, void *private),
-			void *private)
+int ceph_parse_mon_ips(const char *buf, size_t len, struct ceph_options *opt,
+		       struct fs_context *fc)
 {
-	struct ceph_options *opt;
-	const char *c;
-	int err = -ENOMEM;
-	substring_t argstr[MAX_OPT_ARGS];
-
-	opt = kzalloc(sizeof(*opt), GFP_KERNEL);
-	if (!opt)
-		return ERR_PTR(-ENOMEM);
-	opt->mon_addr = kcalloc(CEPH_MAX_MON, sizeof(*opt->mon_addr),
-				GFP_KERNEL);
-	if (!opt->mon_addr)
-		goto out;
-
-	dout("parse_options %p options '%s' dev_name '%s'\n", opt, options,
-	     dev_name);
-
-	/* start with defaults */
-	opt->flags = CEPH_OPT_DEFAULT;
-	opt->osd_keepalive_timeout = CEPH_OSD_KEEPALIVE_DEFAULT;
-	opt->mount_timeout = CEPH_MOUNT_TIMEOUT_DEFAULT;
-	opt->osd_idle_ttl = CEPH_OSD_IDLE_TTL_DEFAULT;
-	opt->osd_request_timeout = CEPH_OSD_REQUEST_TIMEOUT_DEFAULT;
+	int ret;
 
-	/* get mon ip(s) */
 	/* ip1[:port1][,ip2[:port2]...] */
-	err = ceph_parse_ips(dev_name, dev_name_end, opt->mon_addr,
-			     CEPH_MAX_MON, &opt->num_mon);
-	if (err < 0)
-		goto out;
+	ret = ceph_parse_ips(buf, buf + len, opt->mon_addr, CEPH_MAX_MON,
+			     &opt->num_mon);
+	if (ret) {
+		errorf(fc, "libceph: Failed to parse monitor IPs: %d", ret);
+		return ret;
+	}
 
-	/* parse mount options */
-	while ((c = strsep(&options, ",")) != NULL) {
-		int token, intval;
-		if (!*c)
-			continue;
-		err = -EINVAL;
-		token = match_token((char *)c, opt_tokens, argstr);
-		if (token < 0 && parse_extra_token) {
-			/* extra? */
-			err = parse_extra_token((char *)c, private);
-			if (err < 0) {
-				pr_err("bad option at '%s'\n", c);
-				goto out;
-			}
-			continue;
-		}
-		if (token < Opt_last_int) {
-			err = match_int(&argstr[0], &intval);
-			if (err < 0) {
-				pr_err("bad option arg (not int) at '%s'\n", c);
-				goto out;
-			}
-			dout("got int token %d val %d\n", token, intval);
-		} else if (token > Opt_last_int && token < Opt_last_string) {
-			dout("got string token %d val %s\n", token,
-			     argstr[0].from);
-		} else {
-			dout("got token %d\n", token);
+	return 0;
+}
+EXPORT_SYMBOL(ceph_parse_mon_ips);
+
+int ceph_parse_param(struct fs_parameter *param, struct ceph_options *opt,
+		     struct fs_context *fc)
+{
+	struct fs_parse_result result;
+	int token, err;
+
+	token = fs_parse(fc, &ceph_parameters, param, &result);
+	dout("%s fs_parse '%s' token %d\n", __func__, param->key, token);
+	if (token < 0)
+		return token;
+
+	switch (token) {
+	case Opt_ip:
+		err = ceph_parse_ips(param->string,
+				     param->string + param->size,
+				     &opt->my_addr,
+				     1, NULL);
+		if (err) {
+			errorf(fc, "libceph: Failed to parse ip: %d", err);
+			return err;
 		}
-		switch (token) {
-		case Opt_ip:
-			err = ceph_parse_ips(argstr[0].from,
-					     argstr[0].to,
-					     &opt->my_addr,
-					     1, NULL);
-			if (err < 0)
-				goto out;
-			opt->flags |= CEPH_OPT_MYIP;
-			break;
+		opt->flags |= CEPH_OPT_MYIP;
+		break;
 
-		case Opt_fsid:
-			err = parse_fsid(argstr[0].from, &opt->fsid);
-			if (err == 0)
-				opt->flags |= CEPH_OPT_FSID;
-			break;
-		case Opt_name:
-			kfree(opt->name);
-			opt->name = kstrndup(argstr[0].from,
-					      argstr[0].to-argstr[0].from,
-					      GFP_KERNEL);
-			if (!opt->name) {
-				err = -ENOMEM;
-				goto out;
-			}
-			break;
-		case Opt_secret:
-			ceph_crypto_key_destroy(opt->key);
-			kfree(opt->key);
-
-		        opt->key = kzalloc(sizeof(*opt->key), GFP_KERNEL);
-			if (!opt->key) {
-				err = -ENOMEM;
-				goto out;
-			}
-			err = ceph_crypto_key_unarmor(opt->key, argstr[0].from);
-			if (err < 0)
-				goto out;
-			break;
-		case Opt_key:
-			ceph_crypto_key_destroy(opt->key);
-			kfree(opt->key);
-
-		        opt->key = kzalloc(sizeof(*opt->key), GFP_KERNEL);
-			if (!opt->key) {
-				err = -ENOMEM;
-				goto out;
-			}
-			err = get_secret(opt->key, argstr[0].from);
-			if (err < 0)
-				goto out;
-			break;
+	case Opt_fsid:
+		err = parse_fsid(param->string, &opt->fsid);
+		if (err) {
+			errorf(fc, "libceph: Failed to parse fsid: %d", err);
+			return err;
+		}
+		opt->flags |= CEPH_OPT_FSID;
+		break;
+	case Opt_name:
+		kfree(opt->name);
+		opt->name = param->string;
+		param->string = NULL;
+		break;
+	case Opt_secret:
+		ceph_crypto_key_destroy(opt->key);
+		kfree(opt->key);
 
-			/* misc */
-		case Opt_osdtimeout:
-			pr_warn("ignoring deprecated osdtimeout option\n");
-			break;
-		case Opt_osdkeepalivetimeout:
-			/* 0 isn't well defined right now, reject it */
-			if (intval < 1 || intval > INT_MAX / 1000) {
-				pr_err("osdkeepalive out of range\n");
-				err = -EINVAL;
-				goto out;
-			}
-			opt->osd_keepalive_timeout =
-					msecs_to_jiffies(intval * 1000);
-			break;
-		case Opt_osd_idle_ttl:
-			/* 0 isn't well defined right now, reject it */
-			if (intval < 1 || intval > INT_MAX / 1000) {
-				pr_err("osd_idle_ttl out of range\n");
-				err = -EINVAL;
-				goto out;
-			}
-			opt->osd_idle_ttl = msecs_to_jiffies(intval * 1000);
-			break;
-		case Opt_mount_timeout:
-			/* 0 is "wait forever" (i.e. infinite timeout) */
-			if (intval < 0 || intval > INT_MAX / 1000) {
-				pr_err("mount_timeout out of range\n");
-				err = -EINVAL;
-				goto out;
-			}
-			opt->mount_timeout = msecs_to_jiffies(intval * 1000);
-			break;
-		case Opt_osd_request_timeout:
-			/* 0 is "wait forever" (i.e. infinite timeout) */
-			if (intval < 0 || intval > INT_MAX / 1000) {
-				pr_err("osd_request_timeout out of range\n");
-				err = -EINVAL;
-				goto out;
-			}
-			opt->osd_request_timeout = msecs_to_jiffies(intval * 1000);
-			break;
+		opt->key = kzalloc(sizeof(*opt->key), GFP_KERNEL);
+		if (!opt->key)
+			return -ENOMEM;
+		err = ceph_crypto_key_unarmor(opt->key, param->string);
+		if (err) {
+			errorf(fc, "libceph: Failed to parse secret: %d", err);
+			return err;
+		}
+		break;
+	case Opt_key:
+		ceph_crypto_key_destroy(opt->key);
+		kfree(opt->key);
 
-		case Opt_share:
+		opt->key = kzalloc(sizeof(*opt->key), GFP_KERNEL);
+		if (!opt->key)
+			return -ENOMEM;
+		return get_secret(opt->key, param->string, fc);
+
+	case Opt_osdtimeout:
+		warnf(fc, "libceph: Ignoring osdtimeout");
+		break;
+	case Opt_osdkeepalivetimeout:
+		/* 0 isn't well defined right now, reject it */
+		if (result.uint_32 < 1 || result.uint_32 > INT_MAX / 1000)
+			goto out_of_range;
+		opt->osd_keepalive_timeout =
+		    msecs_to_jiffies(result.uint_32 * 1000);
+		break;
+	case Opt_osd_idle_ttl:
+		/* 0 isn't well defined right now, reject it */
+		if (result.uint_32 < 1 || result.uint_32 > INT_MAX / 1000)
+			goto out_of_range;
+		opt->osd_idle_ttl = msecs_to_jiffies(result.uint_32 * 1000);
+		break;
+	case Opt_mount_timeout:
+		/* 0 is "wait forever" (i.e. infinite timeout) */
+		if (result.uint_32 > INT_MAX / 1000)
+			goto out_of_range;
+		opt->mount_timeout = msecs_to_jiffies(result.uint_32 * 1000);
+		break;
+	case Opt_osd_request_timeout:
+		/* 0 is "wait forever" (i.e. infinite timeout) */
+		if (result.uint_32 > INT_MAX / 1000)
+			goto out_of_range;
+		opt->osd_request_timeout =
+		    msecs_to_jiffies(result.uint_32 * 1000);
+		break;
+
+	case Opt_share:
+		if (!result.negated)
 			opt->flags &= ~CEPH_OPT_NOSHARE;
-			break;
-		case Opt_noshare:
+		else
 			opt->flags |= CEPH_OPT_NOSHARE;
-			break;
-
-		case Opt_crc:
+		break;
+	case Opt_crc:
+		if (!result.negated)
 			opt->flags &= ~CEPH_OPT_NOCRC;
-			break;
-		case Opt_nocrc:
+		else
 			opt->flags |= CEPH_OPT_NOCRC;
-			break;
-
-		case Opt_cephx_require_signatures:
+		break;
+	case Opt_cephx_require_signatures:
+		if (!result.negated)
 			opt->flags &= ~CEPH_OPT_NOMSGAUTH;
-			break;
-		case Opt_nocephx_require_signatures:
+		else
 			opt->flags |= CEPH_OPT_NOMSGAUTH;
-			break;
-		case Opt_cephx_sign_messages:
+		break;
+	case Opt_cephx_sign_messages:
+		if (!result.negated)
 			opt->flags &= ~CEPH_OPT_NOMSGSIGN;
-			break;
-		case Opt_nocephx_sign_messages:
+		else
 			opt->flags |= CEPH_OPT_NOMSGSIGN;
-			break;
-
-		case Opt_tcp_nodelay:
+		break;
+	case Opt_tcp_nodelay:
+		if (!result.negated)
 			opt->flags |= CEPH_OPT_TCP_NODELAY;
-			break;
-		case Opt_notcp_nodelay:
+		else
 			opt->flags &= ~CEPH_OPT_TCP_NODELAY;
-			break;
+		break;
 
-		case Opt_abort_on_full:
-			opt->flags |= CEPH_OPT_ABORT_ON_FULL;
-			break;
+	case Opt_abort_on_full:
+		opt->flags |= CEPH_OPT_ABORT_ON_FULL;
+		break;
 
-		default:
-			BUG_ON(token);
-		}
+	default:
+		BUG();
 	}
 
-	/* success */
-	return opt;
+	return 0;
 
-out:
-	ceph_destroy_options(opt);
-	return ERR_PTR(err);
+out_of_range:
+	return invalf(fc, "libceph: %s out of range", param->key);
 }
-EXPORT_SYMBOL(ceph_parse_options);
+EXPORT_SYMBOL(ceph_parse_param);
 
 int ceph_print_client_options(struct seq_file *m, struct ceph_client *client,
 			      bool show_all)
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index e4cb3db2ee77..5b4bd8261002 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -2004,10 +2004,8 @@ int ceph_parse_ips(const char *c, const char *end,
 	return 0;
 
 bad:
-	pr_err("parse_ips bad ip '%.*s'\n", (int)(end - c), c);
 	return ret;
 }
-EXPORT_SYMBOL(ceph_parse_ips);
 
 static int process_banner(struct ceph_connection *con)
 {
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 7256c402ebaa..9d9e4e4ea600 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -1233,9 +1233,6 @@ static void dispatch(struct ceph_connection *con, struct ceph_msg *msg)
 	struct ceph_mon_client *monc = con->private;
 	int type = le16_to_cpu(msg->hdr.type);
 
-	if (!monc)
-		return;
-
 	switch (type) {
 	case CEPH_MSG_AUTH_REPLY:
 		handle_auth_reply(monc, msg);
diff --git a/net/core/filter.c b/net/core/filter.c
index b0ed048585ba..f1e703eed3d2 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2299,7 +2299,7 @@ BPF_CALL_4(bpf_msg_pull_data, struct sk_msg *, msg, u32, start,
 	WARN_ON_ONCE(last_sge == first_sge);
 	shift = last_sge > first_sge ?
 		last_sge - first_sge - 1 :
-		MAX_SKB_FRAGS - first_sge + last_sge - 1;
+		NR_MSG_FRAG_IDS - first_sge + last_sge - 1;
 	if (!shift)
 		goto out;
 
@@ -2308,8 +2308,8 @@ BPF_CALL_4(bpf_msg_pull_data, struct sk_msg *, msg, u32, start,
 	do {
 		u32 move_from;
 
-		if (i + shift >= MAX_MSG_FRAGS)
-			move_from = i + shift - MAX_MSG_FRAGS;
+		if (i + shift >= NR_MSG_FRAG_IDS)
+			move_from = i + shift - NR_MSG_FRAG_IDS;
 		else
 			move_from = i + shift;
 		if (move_from == msg->sg.end)
@@ -2323,7 +2323,7 @@ BPF_CALL_4(bpf_msg_pull_data, struct sk_msg *, msg, u32, start,
 	} while (1);
 
 	msg->sg.end = msg->sg.end - shift > msg->sg.end ?
-		      msg->sg.end - shift + MAX_MSG_FRAGS :
+		      msg->sg.end - shift + NR_MSG_FRAG_IDS :
 		      msg->sg.end - shift;
 out:
 	msg->data = sg_virt(&msg->sg.data[first_sge]) + start - offset;
diff --git a/net/core/skmsg.c b/net/core/skmsg.c
index a469d2124f3f..ded2d5227678 100644
--- a/net/core/skmsg.c
+++ b/net/core/skmsg.c
@@ -421,7 +421,7 @@ static int sk_psock_skb_ingress(struct sk_psock *psock, struct sk_buff *skb)
 	copied = skb->len;
 	msg->sg.start = 0;
 	msg->sg.size = copied;
-	msg->sg.end = num_sge == MAX_MSG_FRAGS ? 0 : num_sge;
+	msg->sg.end = num_sge;
 	msg->skb = skb;
 
 	sk_psock_queue_msg(psock, msg);
diff --git a/net/ipv4/tcp_bpf.c b/net/ipv4/tcp_bpf.c
index 8a56e09cfb0e..e38705165ac9 100644
--- a/net/ipv4/tcp_bpf.c
+++ b/net/ipv4/tcp_bpf.c
@@ -301,7 +301,7 @@ EXPORT_SYMBOL_GPL(tcp_bpf_sendmsg_redir);
 static int tcp_bpf_send_verdict(struct sock *sk, struct sk_psock *psock,
 				struct sk_msg *msg, int *copied, int flags)
 {
-	bool cork = false, enospc = msg->sg.start == msg->sg.end;
+	bool cork = false, enospc = sk_msg_full(msg);
 	struct sock *sk_redir;
 	u32 tosend, delta = 0;
 	int ret;
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index 293d5289c4a1..1047e8043084 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -905,7 +905,10 @@ static struct sk_buff *ovs_flow_cmd_build_info(const struct sw_flow *flow,
 	retval = ovs_flow_cmd_fill_info(flow, dp_ifindex, skb,
 					info->snd_portid, info->snd_seq, 0,
 					cmd, ufid_flags);
-	BUG_ON(retval < 0);
+	if (WARN_ON_ONCE(retval < 0)) {
+		kfree_skb(skb);
+		skb = ERR_PTR(retval);
+	}
 	return skb;
 }
 
@@ -1369,7 +1372,10 @@ static int ovs_flow_cmd_del(struct sk_buff *skb, struct genl_info *info)
 						     OVS_FLOW_CMD_DEL,
 						     ufid_flags);
 			rcu_read_unlock();
-			BUG_ON(err < 0);
+			if (WARN_ON_ONCE(err < 0)) {
+				kfree_skb(reply);
+				goto out_free;
+			}
 
 			ovs_notify(&dp_flow_genl_family, reply, info);
 		} else {
@@ -1377,6 +1383,7 @@ static int ovs_flow_cmd_del(struct sk_buff *skb, struct genl_info *info)
 		}
 	}
 
+out_free:
 	ovs_flow_free(flow, true);
 	return 0;
 unlock:
diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c
index 0d578333e967..278c0b2dc523 100644
--- a/net/sched/sch_mq.c
+++ b/net/sched/sch_mq.c
@@ -245,7 +245,8 @@ static int mq_dump_class_stats(struct Qdisc *sch, unsigned long cl,
 	struct netdev_queue *dev_queue = mq_queue_get(sch, cl);
 
 	sch = dev_queue->qdisc_sleeping;
-	if (gnet_stats_copy_basic(&sch->running, d, NULL, &sch->bstats) < 0 ||
+	if (gnet_stats_copy_basic(&sch->running, d, sch->cpu_bstats,
+				  &sch->bstats) < 0 ||
 	    qdisc_qstats_copy(d, sch) < 0)
 		return -1;
 	return 0;
diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c
index 46980b8d66c5..0d0113a24962 100644
--- a/net/sched/sch_mqprio.c
+++ b/net/sched/sch_mqprio.c
@@ -557,8 +557,8 @@ static int mqprio_dump_class_stats(struct Qdisc *sch, unsigned long cl,
 		struct netdev_queue *dev_queue = mqprio_queue_get(sch, cl);
 
 		sch = dev_queue->qdisc_sleeping;
-		if (gnet_stats_copy_basic(qdisc_root_sleeping_running(sch),
-					  d, NULL, &sch->bstats) < 0 ||
+		if (gnet_stats_copy_basic(qdisc_root_sleeping_running(sch), d,
+					  sch->cpu_bstats, &sch->bstats) < 0 ||
 		    qdisc_qstats_copy(d, sch) < 0)
 			return -1;
 	}
diff --git a/net/sched/sch_multiq.c b/net/sched/sch_multiq.c
index b2b7fdb06fc6..1330ad224931 100644
--- a/net/sched/sch_multiq.c
+++ b/net/sched/sch_multiq.c
@@ -339,7 +339,7 @@ static int multiq_dump_class_stats(struct Qdisc *sch, unsigned long cl,
 
 	cl_q = q->queues[cl - 1];
 	if (gnet_stats_copy_basic(qdisc_root_sleeping_running(sch),
-				  d, NULL, &cl_q->bstats) < 0 ||
+				  d, cl_q->cpu_bstats, &cl_q->bstats) < 0 ||
 	    qdisc_qstats_copy(d, cl_q) < 0)
 		return -1;
 
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 0f8fedb8809a..18b884cfdfe8 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -356,7 +356,7 @@ static int prio_dump_class_stats(struct Qdisc *sch, unsigned long cl,
 
 	cl_q = q->queues[cl - 1];
 	if (gnet_stats_copy_basic(qdisc_root_sleeping_running(sch),
-				  d, NULL, &cl_q->bstats) < 0 ||
+				  d, cl_q->cpu_bstats, &cl_q->bstats) < 0 ||
 	    qdisc_qstats_copy(d, cl_q) < 0)
 		return -1;
 
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index b71a39ded930..39e14d5edaf1 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -51,7 +51,7 @@ static BLOCKING_NOTIFIER_HEAD(rpc_pipefs_notifier_list);
 
 int rpc_pipefs_notifier_register(struct notifier_block *nb)
 {
-	return blocking_notifier_chain_cond_register(&rpc_pipefs_notifier_list, nb);
+	return blocking_notifier_chain_register(&rpc_pipefs_notifier_list, nb);
 }
 EXPORT_SYMBOL_GPL(rpc_pipefs_notifier_register);
 
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index a1c8d722ca20..41688da233ab 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -532,7 +532,7 @@ static void __tipc_shutdown(struct socket *sock, int error)
 	struct sock *sk = sock->sk;
 	struct tipc_sock *tsk = tipc_sk(sk);
 	struct net *net = sock_net(sk);
-	long timeout = CONN_TIMEOUT_DEFAULT;
+	long timeout = msecs_to_jiffies(CONN_TIMEOUT_DEFAULT);
 	u32 dnode = tsk_peer_node(tsk);
 	struct sk_buff *skb;
 
@@ -540,12 +540,10 @@ static void __tipc_shutdown(struct socket *sock, int error)
 	tipc_wait_for_cond(sock, &timeout, (!tsk->cong_link_cnt &&
 					    !tsk_conn_cong(tsk)));
 
-	/* Push out unsent messages or remove if pending SYN */
-	skb = skb_peek(&sk->sk_write_queue);
-	if (skb && !msg_is_syn(buf_msg(skb)))
-		tipc_sk_push_backlog(tsk);
-	else
-		__skb_queue_purge(&sk->sk_write_queue);
+	/* Push out delayed messages if in Nagle mode */
+	tipc_sk_push_backlog(tsk);
+	/* Remove pending SYN */
+	__skb_queue_purge(&sk->sk_write_queue);
 
 	/* Reject all unreceived messages, except on an active connection
 	 * (which disconnects locally & sends a 'FIN+' to peer).
@@ -1248,9 +1246,14 @@ static void tipc_sk_push_backlog(struct tipc_sock *tsk)
 	struct sk_buff_head *txq = &tsk->sk.sk_write_queue;
 	struct net *net = sock_net(&tsk->sk);
 	u32 dnode = tsk_peer_node(tsk);
+	struct sk_buff *skb = skb_peek(txq);
 	int rc;
 
-	if (skb_queue_empty(txq) || tsk->cong_link_cnt)
+	if (!skb || tsk->cong_link_cnt)
+		return;
+
+	/* Do not send SYN again after congestion */
+	if (msg_is_syn(buf_msg(skb)))
 		return;
 
 	tsk->snt_unacked += tsk->snd_backlog;
@@ -1447,8 +1450,10 @@ static int __tipc_sendmsg(struct socket *sock, struct msghdr *m, size_t dlen)
 	rc = tipc_msg_build(hdr, m, 0, dlen, mtu, &pkts);
 	if (unlikely(rc != dlen))
 		return rc;
-	if (unlikely(syn && !tipc_msg_skb_clone(&pkts, &sk->sk_write_queue)))
+	if (unlikely(syn && !tipc_msg_skb_clone(&pkts, &sk->sk_write_queue))) {
+		__skb_queue_purge(&pkts);
 		return -ENOMEM;
+	}
 
 	trace_tipc_sk_sendmsg(sk, skb_peek(&pkts), TIPC_DUMP_SK_SNDQ, " ");
 	rc = tipc_node_xmit(net, &pkts, dnode, tsk->portid);
@@ -2757,6 +2762,7 @@ static void tipc_sk_timeout(struct timer_list *t)
 	if (sock_owned_by_user(sk)) {
 		sk_reset_timer(sk, &sk->sk_timer, jiffies + HZ / 20);
 		bh_unlock_sock(sk);
+		sock_put(sk);
 		return;
 	}
 
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c
index bdca31ffe6da..b3da6c5ab999 100644
--- a/net/tls/tls_main.c
+++ b/net/tls/tls_main.c
@@ -209,24 +209,15 @@ int tls_push_partial_record(struct sock *sk, struct tls_context *ctx,
 	return tls_push_sg(sk, ctx, sg, offset, flags);
 }
 
-bool tls_free_partial_record(struct sock *sk, struct tls_context *ctx)
+void tls_free_partial_record(struct sock *sk, struct tls_context *ctx)
 {
 	struct scatterlist *sg;
 
-	sg = ctx->partially_sent_record;
-	if (!sg)
-		return false;
-
-	while (1) {
+	for (sg = ctx->partially_sent_record; sg; sg = sg_next(sg)) {
 		put_page(sg_page(sg));
 		sk_mem_uncharge(sk, sg->length);
-
-		if (sg_is_last(sg))
-			break;
-		sg++;
 	}
 	ctx->partially_sent_record = NULL;
-	return true;
 }
 
 static void tls_write_space(struct sock *sk)
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index da9f9ce51e7b..2b2d0bae14a9 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -710,8 +710,7 @@ static int tls_push_record(struct sock *sk, int flags,
 	}
 
 	i = msg_pl->sg.start;
-	sg_chain(rec->sg_aead_in, 2, rec->inplace_crypto ?
-		 &msg_en->sg.data[i] : &msg_pl->sg.data[i]);
+	sg_chain(rec->sg_aead_in, 2, &msg_pl->sg.data[i]);
 
 	i = msg_en->sg.end;
 	sk_msg_iter_var_prev(i);
@@ -771,8 +770,14 @@ static int bpf_exec_tx_verdict(struct sk_msg *msg, struct sock *sk,
 
 	policy = !(flags & MSG_SENDPAGE_NOPOLICY);
 	psock = sk_psock_get(sk);
-	if (!psock || !policy)
-		return tls_push_record(sk, flags, record_type);
+	if (!psock || !policy) {
+		err = tls_push_record(sk, flags, record_type);
+		if (err) {
+			*copied -= sk_msg_free(sk, msg);
+			tls_free_open_rec(sk);
+		}
+		return err;
+	}
 more_data:
 	enospc = sk_msg_full(msg);
 	if (psock->eval == __SK_NONE) {
@@ -970,8 +975,6 @@ alloc_encrypted:
 			if (ret)
 				goto fallback_to_reg_send;
 
-			rec->inplace_crypto = 0;
-
 			num_zc++;
 			copied += try_to_copy;
 
@@ -984,7 +987,7 @@ alloc_encrypted:
 					num_async++;
 				else if (ret == -ENOMEM)
 					goto wait_for_memory;
-				else if (ret == -ENOSPC)
+				else if (ctx->open_rec && ret == -ENOSPC)
 					goto rollback_iter;
 				else if (ret != -EAGAIN)
 					goto send_end;
@@ -1053,11 +1056,12 @@ wait_for_memory:
 		ret = sk_stream_wait_memory(sk, &timeo);
 		if (ret) {
 trim_sgl:
-			tls_trim_both_msgs(sk, orig_size);
+			if (ctx->open_rec)
+				tls_trim_both_msgs(sk, orig_size);
 			goto send_end;
 		}
 
-		if (msg_en->sg.size < required_size)
+		if (ctx->open_rec && msg_en->sg.size < required_size)
 			goto alloc_encrypted;
 	}
 
@@ -1169,7 +1173,6 @@ alloc_payload:
 
 		tls_ctx->pending_open_record_frags = true;
 		if (full_record || eor || sk_msg_full(msg_pl)) {
-			rec->inplace_crypto = 0;
 			ret = bpf_exec_tx_verdict(msg_pl, sk, full_record,
 						  record_type, &copied, flags);
 			if (ret) {
@@ -1190,11 +1193,13 @@ wait_for_sndbuf:
 wait_for_memory:
 		ret = sk_stream_wait_memory(sk, &timeo);
 		if (ret) {
-			tls_trim_both_msgs(sk, msg_pl->sg.size);
+			if (ctx->open_rec)
+				tls_trim_both_msgs(sk, msg_pl->sg.size);
 			goto sendpage_end;
 		}
 
-		goto alloc_payload;
+		if (ctx->open_rec)
+			goto alloc_payload;
 	}
 
 	if (num_async) {
@@ -2084,7 +2089,8 @@ void tls_sw_release_resources_tx(struct sock *sk)
 	/* Free up un-sent records in tx_list. First, free
 	 * the partially sent record if any at head of tx_list.
 	 */
-	if (tls_free_partial_record(sk, tls_ctx)) {
+	if (tls_ctx->partially_sent_record) {
+		tls_free_partial_record(sk, tls_ctx);
 		rec = list_first_entry(&ctx->tx_list,
 				       struct tls_rec, list);
 		list_del(&rec->list);