Re: [PATCH] ext4: handle unsuccessful sbi allocation

From: Lukas Czerner
Date: Tue Jan 25 2022 - 08:39:36 EST


We already have a patch to fix the problem on this list

https://lore.kernel.org/linux-ext4/20220119130209.40112-1-lczerner@xxxxxxxxxx/T/#u

-Lukas

On Tue, Jan 25, 2022 at 06:06:04PM +0500, Ameer Hamza wrote:
> Move to common fail path in case of unsuccessful sbi allocation
>
> Addresses-Coverity: 1497833 ("Unused value")
>
> Signed-off-by: Ameer Hamza <amhamza.mgc@xxxxxxxxx>
> ---
> fs/ext4/super.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 57914acc5402..0dccf1ed931b 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -5540,8 +5540,10 @@ static int ext4_fill_super(struct super_block *sb, struct fs_context *fc)
> int ret;
>
> sbi = ext4_alloc_sbi(sb);
> - if (!sbi)
> + if (!sbi) {
> ret = -ENOMEM;
> + goto free_sbi;
> + }
>
> fc->s_fs_info = sbi;
>
> --
> 2.25.1
>