[PATCH 02/11] quota: Only module_put the format when existing

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For filesystems which do not have a quota_format_type such as upcoming
UBIFS quota fmt may be NULL. Only put the format when it's non NULL.

Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
 fs/quota/dquot.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 3cb836351c22..b043468e53f2 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -218,6 +218,9 @@ static struct quota_format_type *find_quota_format(int id)
 
 static void put_quota_format(struct quota_format_type *fmt)
 {
+	if (!fmt)
+		return;
+
 	module_put(fmt->qf_owner);
 }
 
-- 
2.20.1




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