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bcache: fix a leak in bch_cached_dev_run()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Tested-by: Joshua Schmid <jschmid@suse.com> Tested-by: Eric Wheeler <bcache@linux.ewheeler.net> Cc: Kent Overstreet <kmo@daterainc.com> Cc: stable@vger.kernel.org Signed-off-by: Jens Axboe <axboe@fb.com>
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1 changed files with 4 additions and 1 deletions
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@ -849,8 +849,11 @@ void bch_cached_dev_run(struct cached_dev *dc)
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buf[SB_LABEL_SIZE] = '\0';
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env[2] = kasprintf(GFP_KERNEL, "CACHED_LABEL=%s", buf);
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if (atomic_xchg(&dc->running, 1))
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if (atomic_xchg(&dc->running, 1)) {
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kfree(env[1]);
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kfree(env[2]);
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return;
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}
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if (!d->c &&
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BDEV_STATE(&dc->sb) != BDEV_STATE_NONE) {
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