summaryrefslogtreecommitdiffstats
path: root/net/iucv/af_iucv.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2017-01-11 14:43:39 -0500
committerDavid S. Miller <davem@davemloft.net>2017-01-11 14:43:39 -0500
commit02ac5d1487115d160fab4c3e61b7edc20a945af9 (patch)
tree08a39341379ce6f1ad4f3997df36c76ee82cee9c /net/iucv/af_iucv.c
parent265592a1dfc31ecab02a960721a1f137e50afb17 (diff)
parentba836a6f5ab1243ff5e08a941a2d1de8b31244e1 (diff)
downloadtalos-obmc-linux-02ac5d1487115d160fab4c3e61b7edc20a945af9.tar.gz
talos-obmc-linux-02ac5d1487115d160fab4c3e61b7edc20a945af9.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Two AF_* families adding entries to the lockdep tables at the same time. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/iucv/af_iucv.c')
-rw-r--r--net/iucv/af_iucv.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index cfb9e5f4e28f..13190b38f22e 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -1044,7 +1044,8 @@ static int iucv_sock_sendmsg(struct socket *sock, struct msghdr *msg,
{
struct sock *sk = sock->sk;
struct iucv_sock *iucv = iucv_sk(sk);
- size_t headroom, linear;
+ size_t headroom = 0;
+ size_t linear;
struct sk_buff *skb;
struct iucv_message txmsg = {0};
struct cmsghdr *cmsg;
@@ -1122,18 +1123,20 @@ static int iucv_sock_sendmsg(struct socket *sock, struct msghdr *msg,
* this is fine for SOCK_SEQPACKET (unless we want to support
* segmented records using the MSG_EOR flag), but
* for SOCK_STREAM we might want to improve it in future */
- headroom = (iucv->transport == AF_IUCV_TRANS_HIPER)
- ? sizeof(struct af_iucv_trans_hdr) + ETH_HLEN : 0;
- if (headroom + len < PAGE_SIZE) {
+ if (iucv->transport == AF_IUCV_TRANS_HIPER) {
+ headroom = sizeof(struct af_iucv_trans_hdr) + ETH_HLEN;
linear = len;
} else {
- /* In nonlinear "classic" iucv skb,
- * reserve space for iucv_array
- */
- if (iucv->transport != AF_IUCV_TRANS_HIPER)
- headroom += sizeof(struct iucv_array) *
- (MAX_SKB_FRAGS + 1);
- linear = PAGE_SIZE - headroom;
+ if (len < PAGE_SIZE) {
+ linear = len;
+ } else {
+ /* In nonlinear "classic" iucv skb,
+ * reserve space for iucv_array
+ */
+ headroom = sizeof(struct iucv_array) *
+ (MAX_SKB_FRAGS + 1);
+ linear = PAGE_SIZE - headroom;
+ }
}
skb = sock_alloc_send_pskb(sk, headroom + linear, len - linear,
noblock, &err, 0);
OpenPOWER on IntegriCloud