[PATCH 6.4 656/800] f2fs: check return value of freeze_super()

Greg Kroah-Hartman
2023-07-16T20:25:22Z

From: Chao Yu <chao@kernel.org>

[ Upstream commit 8bec7dd1b3f7d7769d433d67bde404de948a2d95 ]

freeze_super() can fail, it needs to check its return value and do
error handling in f2fs_resize_fs().

Fixes: 04f0b2eaa3b3 ("f2fs: ioctl for removing a range from F2FS")
Fixes: b4b10061ef98 ("f2fs: refactor resize_fs to avoid meta updates in progress")
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/f2fs/gc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 67f1b58d424ed..719b1ba32a78b 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -2175,7 +2175,9 @@ int f2fs_resize_fs(struct file *filp, __u64 block_count)
if (err)
return err;

- freeze_super(sbi->sb);
+ err = freeze_super(sbi->sb);
+ if (err)
+ return err;

if (f2fs_readonly(sbi->sb)) {
thaw_super(sbi->sb);
--
2.39.2