diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index 306ad7d0003bb..ae47505964c4b 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -573,6 +573,7 @@ static int ext4_shutdown(struct super_block *sb, unsigned long arg) { struct ext4_sb_info *sbi = EXT4_SB(sb); __u32 flags; + struct super_block *ret; if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -591,7 +592,9 @@ 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 (IS_ERR(ret)) + return PTR_ERR(ret); set_bit(EXT4_FLAGS_SHUTDOWN, &sbi->s_ext4_flags); thaw_bdev(sb->s_bdev, sb); break;