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md.c:didn't unlock the mddev before return EINVAL in array_size_store 

md.c: it needs to release the mddev lock before
the array_size_store() returns.

Fixes: ab5a98b132 ("md-cluster: change array_sectors and update size are not supported")

Signed-off-by: Zhilong Liu <zlliu@suse.com>
Reviewed-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
This commit is contained in:
Zhilong Liu 2017-04-10 14:15:55 +08:00 committed by Shaohua Li
parent 065e519e71
commit b670883bb9
1 changed files with 3 additions and 1 deletions
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4
drivers/md/md.c
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@ -4950,8 +4950,10 @@ array_size_store(struct mddev *mddev, const char *buf, size_t len)
return err; return err;
/* cluster raid doesn't support change array_sectors */ /* cluster raid doesn't support change array_sectors */
if (mddev_is_clustered(mddev)) if (mddev_is_clustered(mddev)) {
mddev_unlock(mddev);
return -EINVAL; return -EINVAL;
}
if (strncmp(buf, "default", 7) == 0) { if (strncmp(buf, "default", 7) == 0) {
if (mddev->pers) if (mddev->pers)