From: Ralf Baechle Date: Thu, 4 May 2006 06:26:20 +0000 (-0700) Subject: [ROSE]: Fix routing table locking in rose_remove_neigh. X-Git-Tag: firefly_0821_release~35869^2~5 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4cc7c2734e2b4032103e47d8f3e8b6fa3360d3f1;p=firefly-linux-kernel-4.4.55.git [ROSE]: Fix routing table locking in rose_remove_neigh. The locking rule for rose_remove_neigh() are that the caller needs to hold rose_neigh_list_lock, so we better don't take it yet again in rose_neigh_list_lock. Signed-off-by: Ralf Baechle Signed-off-by: David S. Miller --- diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c index 4cb6bfa6fcbd..a22542fa1bc8 100644 --- a/net/rose/rose_route.c +++ b/net/rose/rose_route.c @@ -233,11 +233,8 @@ static void rose_remove_neigh(struct rose_neigh *rose_neigh) skb_queue_purge(&rose_neigh->queue); - spin_lock_bh(&rose_neigh_list_lock); - if ((s = rose_neigh_list) == rose_neigh) { rose_neigh_list = rose_neigh->next; - spin_unlock_bh(&rose_neigh_list_lock); kfree(rose_neigh->digipeat); kfree(rose_neigh); return; @@ -246,7 +243,6 @@ static void rose_remove_neigh(struct rose_neigh *rose_neigh) while (s != NULL && s->next != NULL) { if (s->next == rose_neigh) { s->next = rose_neigh->next; - spin_unlock_bh(&rose_neigh_list_lock); kfree(rose_neigh->digipeat); kfree(rose_neigh); return; @@ -254,7 +250,6 @@ static void rose_remove_neigh(struct rose_neigh *rose_neigh) s = s->next; } - spin_unlock_bh(&rose_neigh_list_lock); } /*