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relay: fix lock imbalance in relay_late_setup_files

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One fail path in relay_late_setup_files() omits
mutex_unlock(&relay_channels_mutex);
Add it.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jiri Slaby
2009-01-17 12:04:36 +01:00
committed by Ingo Molnar
parent fdb6a8f4db
commit b786c6a98e
1 changed files with 3 additions and 1 deletions
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4
kernel/relay.c
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@@ -663,8 +663,10 @@ int relay_late_setup_files(struct rchan *chan,
mutex_lock(&relay_channels_mutex); mutex_lock(&relay_channels_mutex);
/* Is chan already set up? */ /* Is chan already set up? */
if (unlikely(chan->has_base_filename)) if (unlikely(chan->has_base_filename)) {
mutex_unlock(&relay_channels_mutex);
return -EEXIST; return -EEXIST;
}
chan->has_base_filename = 1; chan->has_base_filename = 1;
chan->parent = parent; chan->parent = parent;
curr_cpu = get_cpu(); curr_cpu = get_cpu();