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authorJakub Kicinski <kuba@kernel.org>2024-02-01 14:33:26 -0800
committerJakub Kicinski <kuba@kernel.org>2024-02-01 15:12:37 -0800
commitcf244463a286ea57ea7e63c33614d302f776e62e (patch)
treecaa068596cbfea621376822e30ab545c6516b2c7 /include/net/af_unix.h
parentcacfd6bfc381ce0e71dfb4ab902ca0fb0e1abe0f (diff)
parent41b9fb381a486360b2daaec0c7480f8e3ff72bc7 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. No conflicts or adjacent changes. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/net/af_unix.h')
-rw-r--r--include/net/af_unix.h20
1 files changed, 14 insertions, 6 deletions
diff --git a/include/net/af_unix.h b/include/net/af_unix.h
index 54e346152eb1..627ea8e2d915 100644
--- a/include/net/af_unix.h
+++ b/include/net/af_unix.h
@@ -54,12 +54,6 @@ struct scm_stat {
#define UNIXCB(skb) (*(struct unix_skb_parms *)&((skb)->cb))
-#define unix_state_lock(s) spin_lock(&unix_sk(s)->lock)
-#define unix_state_unlock(s) spin_unlock(&unix_sk(s)->lock)
-#define unix_state_lock_nested(s) \
- spin_lock_nested(&unix_sk(s)->lock, \
- SINGLE_DEPTH_NESTING)
-
/* The AF_UNIX socket */
struct unix_sock {
/* WARNING: sk has to be the first member */
@@ -85,6 +79,20 @@ struct unix_sock {
#define unix_sk(ptr) container_of_const(ptr, struct unix_sock, sk)
#define unix_peer(sk) (unix_sk(sk)->peer)
+#define unix_state_lock(s) spin_lock(&unix_sk(s)->lock)
+#define unix_state_unlock(s) spin_unlock(&unix_sk(s)->lock)
+enum unix_socket_lock_class {
+ U_LOCK_NORMAL,
+ U_LOCK_SECOND, /* for double locking, see unix_state_double_lock(). */
+ U_LOCK_DIAG, /* used while dumping icons, see sk_diag_dump_icons(). */
+};
+
+static inline void unix_state_lock_nested(struct sock *sk,
+ enum unix_socket_lock_class subclass)
+{
+ spin_lock_nested(&unix_sk(sk)->lock, subclass);
+}
+
#define peer_wait peer_wq.wait
long unix_inq_len(struct sock *sk);