Commit 8e086f9f authored by Al Viro's avatar Al Viro Committed by Greg Kroah-Hartman

bcache: fix a leak in bch_cached_dev_run()

commit 4d4d8573 upstream.
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Tested-by: default avatarJoshua Schmid <jschmid@suse.com>
Tested-by: default avatarEric Wheeler <bcache@linux.ewheeler.net>
Cc: Kent Overstreet <kmo@daterainc.com>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1ebc8501
......@@ -849,8 +849,11 @@ void bch_cached_dev_run(struct cached_dev *dc)
buf[SB_LABEL_SIZE] = '\0';
env[2] = kasprintf(GFP_KERNEL, "CACHED_LABEL=%s", buf);
if (atomic_xchg(&dc->running, 1))
if (atomic_xchg(&dc->running, 1)) {
kfree(env[1]);
kfree(env[2]);
return;
}
if (!d->c &&
BDEV_STATE(&dc->sb) != BDEV_STATE_NONE) {
......
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