From 43dff98b022ded593e73c3784bac03bc9fc7ec55 Mon Sep 17 00:00:00 2001 From: Shaun Pereira Date: Fri, 28 Apr 2006 12:00:17 -0700 Subject: [PATCH] [X25]: fix for spinlock recurse and spinlock lockup with timer handler When the sk_timer function x25_heartbeat_expiry() is called by the kernel in a running/terminating process, spinlock-recursion and spinlock-lockup locks up the kernel. This has happened with testing on some distro's and the patch below fixed it. Signed-off-by: Shaun Pereira Signed-off-by: David S. Miller --- net/x25/x25_timer.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/x25/x25_timer.c b/net/x25/x25_timer.c index 0a92e1da39..71ff3088f6 100644 --- a/net/x25/x25_timer.c +++ b/net/x25/x25_timer.c @@ -114,8 +114,9 @@ static void x25_heartbeat_expiry(unsigned long param) if (sock_flag(sk, SOCK_DESTROY) || (sk->sk_state == TCP_LISTEN && sock_flag(sk, SOCK_DEAD))) { + bh_unlock_sock(sk); x25_destroy_socket(sk); - goto unlock; + return; } break; @@ -128,7 +129,6 @@ static void x25_heartbeat_expiry(unsigned long param) } restart_heartbeat: x25_start_heartbeat(sk); -unlock: bh_unlock_sock(sk); } -- 2.39.5