From 624fb2d172a735c3ea5efb043e00034d6faf8612 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Sat, 17 Jan 2009 12:04:36 +0100 Subject: relay: fix lock imbalance in relay_late_setup_files commit b786c6a98ef6fa81114ba7b9fbfc0d67060775e3 upstream. One fail path in relay_late_setup_files() omits mutex_unlock(&relay_channels_mutex); Add it. Signed-off-by: Jiri Slaby Signed-off-by: Ingo Molnar Signed-off-by: Greg Kroah-Hartman --- kernel/relay.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/relay.c b/kernel/relay.c index 09ac2008f77b..9d79b7854fa6 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -663,8 +663,10 @@ int relay_late_setup_files(struct rchan *chan, mutex_lock(&relay_channels_mutex); /* Is chan already set up? */ - if (unlikely(chan->has_base_filename)) + if (unlikely(chan->has_base_filename)) { + mutex_unlock(&relay_channels_mutex); return -EEXIST; + } chan->has_base_filename = 1; chan->parent = parent; curr_cpu = get_cpu(); -- cgit v1.2.3