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-rw-r--r--drivers/md/md.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 2166af8a765..58bee2366ea 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3862,6 +3862,8 @@ static int md_alloc(dev_t dev, char *name)
if (mddev2->gendisk &&
strcmp(mddev2->gendisk->disk_name, name) == 0) {
spin_unlock(&all_mddevs_lock);
+ mutex_unlock(&disks_mutex);
+ mddev_put(mddev);
return -EEXIST;
}
spin_unlock(&all_mddevs_lock);