| Message ID | 20230606073203.1310389-1-chao@kernel.org |
|---|---|
| State | Accepted |
| Headers | show |
| Series | ext4: fix to check return value of freeze_bdev() in ext4_shutdown() | expand |
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index f9a430152063..55be1b8a6360 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -797,6 +797,7 @@ static int ext4_shutdown(struct super_block *sb, unsigned long arg) { struct ext4_sb_info *sbi = EXT4_SB(sb); __u32 flags; + int ret; if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -815,7 +816,9 @@ static int ext4_shutdown(struct super_block *sb, unsigned long arg) switch (flags) { case EXT4_GOING_FLAGS_DEFAULT: - freeze_bdev(sb->s_bdev); + ret = freeze_bdev(sb->s_bdev); + if (ret) + return ret; set_bit(EXT4_FLAGS_SHUTDOWN, &sbi->s_ext4_flags); thaw_bdev(sb->s_bdev); break;
freeze_bdev() can fail due to a lot of reasons, it needs to check its reason before later process. Fixes: 783d94854499 ("ext4: add EXT4_IOC_GOINGDOWN ioctl") Signed-off-by: Chao Yu <chao@kernel.org> --- fs/ext4/ioctl.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)