linux-kernel - [PATCH -next] drm/stm: ltdc: remove set but not used variable 'src

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <1538131180-34108-1-git-send-email-yuehaibing@huawei.com>
Date:   Fri, 28 Sep 2018 10:39:40 +0000
From:   YueHaibing <yuehaibing@...wei.com>
To:     Yannick Fertre <yannick.fertre@...com>,
        Philippe Cornu <philippe.cornu@...com>,
        Benjamin Gaignard <benjamin.gaignard@...aro.org>,
        Vincent Abriou <vincent.abriou@...com>,
        David Airlie <airlied@...ux.ie>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>
CC:     YueHaibing <yuehaibing@...wei.com>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <kernel-janitors@...r.kernel.org>
Subject: [PATCH -next] drm/stm: ltdc: remove set but not used variable 'src_h'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/gpu/drm/stm/ltdc.c: In function 'ltdc_plane_atomic_check':
drivers/gpu/drm/stm/ltdc.c:694:13: warning:
 variable 'src_y' set but not used [-Wunused-but-set-variable]
  u32 src_x, src_y, src_w, src_h;
             ^
             ^
drivers/gpu/drm/stm/ltdc.c:694:6: warning:
 variable 'src_x' set but not used [-Wunused-but-set-variable]
  u32 src_x, src_y, src_w, src_h;
      ^

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/gpu/drm/stm/ltdc.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
index 61dd661..a91e041 100644
--- a/drivers/gpu/drm/stm/ltdc.c
+++ b/drivers/gpu/drm/stm/ltdc.c
@@ -691,7 +691,7 @@ static int ltdc_plane_atomic_check(struct drm_plane *plane,
 				   struct drm_plane_state *state)
 {
 	struct drm_framebuffer *fb = state->fb;
-	u32 src_x, src_y, src_w, src_h;
+	u32 src_w, src_h;
 
 	DRM_DEBUG_DRIVER("\n");
 
@@ -699,8 +699,6 @@ static int ltdc_plane_atomic_check(struct drm_plane *plane,
 		return 0;
 
 	/* convert src_ from 16:16 format */
-	src_x = state->src_x >> 16;
-	src_y = state->src_y >> 16;
 	src_w = state->src_w >> 16;
 	src_h = state->src_h >> 16;