2020-11-02 03:12:23

by 赵军奎

[permalink] [raw]

Subject: [PATCH] gpu/drm: delete same check in if condition

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In function drm_bridge_connector_get_modes_edid, drm_edid_is_valid
will check weather (!edid), no need to check again in the if
branch.

Signed-off-by: Bernard Zhao <[email protected]>
---
drivers/gpu/drm/drm_bridge_connector.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_bridge_connector.c b/drivers/gpu/drm/drm_bridge_connector.c
index a58cbde59c34..791379816837 100644
--- a/drivers/gpu/drm/drm_bridge_connector.c
+++ b/drivers/gpu/drm/drm_bridge_connector.c
@@ -241,7 +241,7 @@ static int drm_bridge_connector_get_modes_edid(struct drm_connector *connector,
goto no_edid;

edid = bridge->funcs->get_edid(bridge, connector);
- if (!edid || !drm_edid_is_valid(edid)) {
+ if (!drm_edid_is_valid(edid)) {
kfree(edid);
goto no_edid;
}
--
2.29.0

2020-11-02 08:22:18

by Thomas Zimmermann

[permalink] [raw]

Subject: Re: [PATCH] gpu/drm: delete same check in if condition

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Hi

Am 02.11.20 um 04:07 schrieb Bernard Zhao:
> In function drm_bridge_connector_get_modes_edid, drm_edid_is_valid
> will check weather (!edid), no need to check again in the if
> branch.
>
> Signed-off-by: Bernard Zhao <[email protected]>

Reviewed-by: Thomas Zimmermann <[email protected]>

Thanks! I'll add the patch to drm-misc-next.

Best regards
Thomas

> ---
> drivers/gpu/drm/drm_bridge_connector.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/drm_bridge_connector.c b/drivers/gpu/drm/drm_bridge_connector.c
> index a58cbde59c34..791379816837 100644
> --- a/drivers/gpu/drm/drm_bridge_connector.c
> +++ b/drivers/gpu/drm/drm_bridge_connector.c
> @@ -241,7 +241,7 @@ static int drm_bridge_connector_get_modes_edid(struct drm_connector *connector,
> goto no_edid;
>
> edid = bridge->funcs->get_edid(bridge, connector);
> - if (!edid || !drm_edid_is_valid(edid)) {
> + if (!drm_edid_is_valid(edid)) {
> kfree(edid);
> goto no_edid;
> }
>

--
Thomas Zimmermann
Graphics Driver Developer
SUSE Software Solutions Germany GmbH
Maxfeldstr. 5, 90409 Nürnberg, Germany
(HRB 36809, AG Nürnberg)
Geschäftsführer: Felix Imendörffer

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