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* [PATCH 1/1] efi/libstub: simplify efi_get_memory_map()
@ 2020-02-16 18:40 Heinrich Schuchardt
  2020-02-17  8:37 ` Ard Biesheuvel
  0 siblings, 1 reply; 2+ messages in thread
From: Heinrich Schuchardt @ 2020-02-16 18:40 UTC (permalink / raw)
  To: Ard Biesheuvel; +Cc: linux-efi, linux-kernel, Heinrich Schuchardt

Do not check the value of status twice.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
 drivers/firmware/efi/libstub/mem.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/firmware/efi/libstub/mem.c b/drivers/firmware/efi/libstub/mem.c
index c6a784ed640f..c25fd9174b74 100644
--- a/drivers/firmware/efi/libstub/mem.c
+++ b/drivers/firmware/efi/libstub/mem.c
@@ -52,13 +52,14 @@ efi_status_t efi_get_memory_map(struct efi_boot_memmap *map)
 		goto again;
 	}

-	if (status != EFI_SUCCESS)
+	if (status == EFI_SUCCESS) {
+		if (map->key_ptr)
+			*map->key_ptr = key;
+		if (map->desc_ver)
+			*map->desc_ver = desc_version;
+	} else {
 		efi_bs_call(free_pool, m);
-
-	if (map->key_ptr && status == EFI_SUCCESS)
-		*map->key_ptr = key;
-	if (map->desc_ver && status == EFI_SUCCESS)
-		*map->desc_ver = desc_version;
+	}

 fail:
 	*map->map = m;
--
2.25.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH 1/1] efi/libstub: simplify efi_get_memory_map()
  2020-02-16 18:40 [PATCH 1/1] efi/libstub: simplify efi_get_memory_map() Heinrich Schuchardt
@ 2020-02-17  8:37 ` Ard Biesheuvel
  0 siblings, 0 replies; 2+ messages in thread
From: Ard Biesheuvel @ 2020-02-17  8:37 UTC (permalink / raw)
  To: Heinrich Schuchardt; +Cc: linux-efi, Linux Kernel Mailing List

On Sun, 16 Feb 2020 at 19:40, Heinrich Schuchardt <xypron.glpk@gmx.de> wrote:
>
> Do not check the value of status twice.
>
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

Thanks, I'll queue this one as well.

> ---
>  drivers/firmware/efi/libstub/mem.c | 13 +++++++------
>  1 file changed, 7 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/firmware/efi/libstub/mem.c b/drivers/firmware/efi/libstub/mem.c
> index c6a784ed640f..c25fd9174b74 100644
> --- a/drivers/firmware/efi/libstub/mem.c
> +++ b/drivers/firmware/efi/libstub/mem.c
> @@ -52,13 +52,14 @@ efi_status_t efi_get_memory_map(struct efi_boot_memmap *map)
>                 goto again;
>         }
>
> -       if (status != EFI_SUCCESS)
> +       if (status == EFI_SUCCESS) {
> +               if (map->key_ptr)
> +                       *map->key_ptr = key;
> +               if (map->desc_ver)
> +                       *map->desc_ver = desc_version;
> +       } else {
>                 efi_bs_call(free_pool, m);
> -
> -       if (map->key_ptr && status == EFI_SUCCESS)
> -               *map->key_ptr = key;
> -       if (map->desc_ver && status == EFI_SUCCESS)
> -               *map->desc_ver = desc_version;
> +       }
>
>  fail:
>         *map->map = m;
> --
> 2.25.0
>

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2020-02-17  8:38 UTC | newest]

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2020-02-16 18:40 [PATCH 1/1] efi/libstub: simplify efi_get_memory_map() Heinrich Schuchardt
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