[PATCH 1/2] reiserfs: Fix quota mount option parsing

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When jqfmt mount option is not specified on remount, we mistakenly clear
s_jquota_fmt value stored in superblock. Fix the problem.

CC: reiserfs-devel@xxxxxxxxxxxxxxx
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
 fs/reiserfs/super.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 14363b9..f9eaa4a 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1164,7 +1164,8 @@ static void handle_quota_files(struct super_block *s, char **qf_names,
 			kfree(REISERFS_SB(s)->s_qf_names[i]);
 		REISERFS_SB(s)->s_qf_names[i] = qf_names[i];
 	}
-	REISERFS_SB(s)->s_jquota_fmt = *qfmt;
+	if (*qfmt)
+		REISERFS_SB(s)->s_jquota_fmt = *qfmt;
 }
 #endif
 
-- 
1.7.1

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