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kernel/relay.c: fix potential memory leak

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When relay_open_buf() fails in relay_open(), code will goto free_bufs,
but chan is nowhere freed.

Link: http://lkml.kernel.org/r/1464777927-19675-1-git-send-email-yizhouzhou@ict.ac.cn
Signed-off-by: Zhouyi Zhou <zhouzhouyi@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Zhouyi Zhou 2016-06-08 15:33:53 -07:00 committed by Linus Torvalds
parent 770a537022
commit ba62bafe94
1 changed files with 1 additions and 0 deletions
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kernel/relay.c
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@ -614,6 +614,7 @@ struct rchan *relay_open(const char *base_filename,
kref_put(&chan->kref, relay_destroy_channel); kref_put(&chan->kref, relay_destroy_channel);
mutex_unlock(&relay_channels_mutex); mutex_unlock(&relay_channels_mutex);
kfree(chan);
return NULL; return NULL;
} }
EXPORT_SYMBOL_GPL(relay_open); EXPORT_SYMBOL_GPL(relay_open);