[PATCH] fs: sysv: Fix sysv_nblocks() returns wrong value

From: Chen Zhongjin
Date: Fri Dec 09 2022 - 05:07:52 EST


sysv_nblocks() returns 'blocks' rather than 'res', which only counting
the number of triple-indirect blocks and causing sysv_getattr() gets a
wrong result.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Chen Zhongjin <chenzhongjin@xxxxxxxxxx>
---
fs/sysv/itree.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c
index d4ec9bb97de9..3b8567564e7e 100644
--- a/fs/sysv/itree.c
+++ b/fs/sysv/itree.c
@@ -438,7 +438,7 @@ static unsigned sysv_nblocks(struct super_block *s, loff_t size)
res += blocks;
direct = 1;
}
- return blocks;
+ return res;
}

int sysv_getattr(struct user_namespace *mnt_userns, const struct path *path,
--
2.17.1