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Re: [PATCH] Fix an uninitialized variable.


From: Daniel Kiper
Subject: Re: [PATCH] Fix an uninitialized variable.
Date: Wed, 29 Jan 2020 13:25:48 +0100
User-agent: NeoMutt/20170113 (1.7.2)

On Mon, Jan 27, 2020 at 03:01:16PM -0500, Peter Jones wrote:
> gcc says:
>
> grub-core/fs/squash4.c: In function ‘direct_read’:
> grub-core/fs/squash4.c:868:10: error: ‘err’ may be used uninitialized in
> this function [-Werror=maybe-uninitialized]
>   868 |       if (err)
>       |          ^
> cc1: all warnings being treated as errors
>
> This patch initializes it to 0.
>
> Signed-off-by: Peter Jones <address@hidden>

Pushed but with small change...

> ---
>  grub-core/fs/squash4.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/grub-core/fs/squash4.c b/grub-core/fs/squash4.c
> index 95d5c1e1ff4..0583aeab8e8 100644
> --- a/grub-core/fs/squash4.c
> +++ b/grub-core/fs/squash4.c
> @@ -746,7 +746,7 @@ direct_read (struct grub_squash_data *data,
>            struct grub_squash_cache_inode *ino,
>            grub_off_t off, char *buf, grub_size_t len)
>  {
> -  grub_err_t err;
> +  grub_err_t err = 0;

s/0/GRUB_ERR_NONE/

Thanks,

Daniel



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