[PATCH] efi_loader: initialize 'total' variable
Heinrich Schuchardt
xypron.glpk at gmx.de
Thu Jun 26 10:05:55 CEST 2025
On 25.06.25 19:15, Ilias Apalodimas wrote:
> This variable might end up being uninitialized if we exit early.
>
> Signed-off-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>
> ---
> lib/efi_loader/efi_bootmgr.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/lib/efi_loader/efi_bootmgr.c b/lib/efi_loader/efi_bootmgr.c
> index b9437a81c642..662993fb8095 100644
> --- a/lib/efi_loader/efi_bootmgr.c
> +++ b/lib/efi_loader/efi_bootmgr.c
> @@ -1134,7 +1134,7 @@ efi_status_t efi_bootmgr_update_media_device_boot_option(void)
> {
> u32 i;
> efi_status_t ret;
> - efi_uintn_t count, num, total;
> + efi_uintn_t count, num, total = 0;
'total' is a non-static local variable.
The first line using it in origin/next initializes the variable:
total = num;
If we exit early, local variables are discarded.
Could you, please, explain your concern.
Best regards
Heinrich
> efi_handle_t *handles = NULL;
> struct eficonfig_media_boot_option *opt = NULL;
>
> --
> 2.49.0
>
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