Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -878,8 +878,11 @@ 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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