Re: [PATCH] drm/msm/dp: Remove redundant initialization of variable bpp

From: Dmitry Baryshkov
Date: Fri Oct 01 2021 - 13:43:15 EST


On 29/09/2021 13:54, Colin King wrote:
From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

The variable bpp is being initialized with a value that is never
read, it is being updated later on in both paths of an if statement.
The assignment is redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

---
drivers/gpu/drm/msm/dp/dp_panel.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/dp/dp_panel.c b/drivers/gpu/drm/msm/dp/dp_panel.c
index 2181b60e1d1d..71db10c0f262 100644
--- a/drivers/gpu/drm/msm/dp/dp_panel.c
+++ b/drivers/gpu/drm/msm/dp/dp_panel.c
@@ -234,7 +234,7 @@ u32 dp_panel_get_mode_bpp(struct dp_panel *dp_panel,
u32 mode_edid_bpp, u32 mode_pclk_khz)
{
struct dp_panel_private *panel;
- u32 bpp = mode_edid_bpp;
+ u32 bpp;
if (!dp_panel || !mode_edid_bpp || !mode_pclk_khz) {
DRM_ERROR("invalid input\n");



--
With best wishes
Dmitry