Commit ba62bafe authored Jun 08, 2016 by Zhouyi Zhou Committed by Linus Torvalds Jun 09, 2016

kernel/relay.c: fix potential memory leak

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>

parent 770a5370

kernel/relay.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -614,6 +614,7 @@ struct rchan relay_open(const char base_filename,

		kref_put(&chan->kref, relay_destroy_channel);
		mutex_unlock(&relay_channels_mutex);
		kfree(chan);
		return NULL;
		}
		EXPORT_SYMBOL_GPL(relay_open);