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-rw-r--r--include/net/sock.h29
1 files changed, 21 insertions, 8 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index ac286a353032..fe3a33fad03f 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -47,6 +47,7 @@
#include <linux/lockdep.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h> /* struct sk_buff */
+#include <linux/mm.h>
#include <linux/security.h>
#include <linux/filter.h>
@@ -745,7 +746,13 @@ static inline int sk_stream_wmem_schedule(struct sock *sk, int size)
*/
#define sock_owned_by_user(sk) ((sk)->sk_lock.owner)
-extern void FASTCALL(lock_sock(struct sock *sk));
+extern void FASTCALL(lock_sock_nested(struct sock *sk, int subclass));
+
+static inline void lock_sock(struct sock *sk)
+{
+ lock_sock_nested(sk, 0);
+}
+
extern void FASTCALL(release_sock(struct sock *sk));
/* BH context may only use the following locking interface. */
@@ -883,18 +890,23 @@ static inline int sk_filter(struct sock *sk, struct sk_buff *skb)
}
/**
- * sk_filter_release: Release a socket filter
- * @rcu: rcu_head that contains the sk_filter info to remove
- *
- * Remove a filter from a socket and release its resources.
+ * sk_filter_rcu_free: Free a socket filter
+ * @rcu: rcu_head that contains the sk_filter to free
*/
-
static inline void sk_filter_rcu_free(struct rcu_head *rcu)
{
struct sk_filter *fp = container_of(rcu, struct sk_filter, rcu);
kfree(fp);
}
+/**
+ * sk_filter_release: Release a socket filter
+ * @sk: socket
+ * @fp: filter to remove
+ *
+ * Remove a filter from a socket and release its resources.
+ */
+
static inline void sk_filter_release(struct sock *sk, struct sk_filter *fp)
{
unsigned int size = sk_filter_len(fp);
@@ -943,7 +955,8 @@ static inline void sock_put(struct sock *sk)
sk_free(sk);
}
-extern int sk_receive_skb(struct sock *sk, struct sk_buff *skb);
+extern int sk_receive_skb(struct sock *sk, struct sk_buff *skb,
+ const int nested);
/* Detach socket from process context.
* Announce socket dead, detach it from wait queue and inode.
@@ -1077,7 +1090,7 @@ static inline int skb_copy_to_page(struct sock *sk, char __user *from,
{
if (skb->ip_summed == CHECKSUM_NONE) {
int err = 0;
- unsigned int csum = csum_and_copy_from_user(from,
+ __wsum csum = csum_and_copy_from_user(from,
page_address(page) + off,
copy, 0, &err);
if (err)
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