linux-kernel - [PATCH] drm/vc4: fix uninitialized smatch warnings

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Message-Id: <20250405024503.694981-1-sunliming@linux.dev>
Date: Sat,  5 Apr 2025 10:45:03 +0800
From: sunliming@...ux.dev
To: mripard@...nel.org,
	dave.stevenson@...pberrypi.com,
	mcanal@...lia.com,
	kernel-list@...pberrypi.com,
	maarten.lankhorst@...ux.intel.com,
	tzimmermann@...e.de,
	airlied@...il.com,
	simona@...ll.ch
Cc: dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	sunliming <sunliming@...inos.cn>,
	kernel test robot <lkp@...el.com>,
	Dan Carpenter <dan.carpenter@...aro.org>
Subject: [PATCH] drm/vc4: fix uninitialized smatch warnings

From: sunliming <sunliming@...inos.cn>

Fix below smatch warnings:
drivers/gpu/drm/vc4/vc4_gem.c:604 vc4_lock_bo_reservations() error: uninitialized symbol 'ret'.

Reported-by: kernel test robot <lkp@...el.com>
Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
Closes: https://lore.kernel.org/r/202504021500.3AM1hKKS-lkp@intel.com/
Signed-off-by: sunliming <sunliming@...inos.cn>
---
 drivers/gpu/drm/vc4/vc4_gem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c
index 8125f87edc60..04ea1696fc5d 100644
--- a/drivers/gpu/drm/vc4/vc4_gem.c
+++ b/drivers/gpu/drm/vc4/vc4_gem.c
@@ -582,7 +582,7 @@ static int
 vc4_lock_bo_reservations(struct vc4_exec_info *exec,
 			 struct drm_exec *exec_ctx)
 {
-	int ret;
+	int ret = 0;
 
 	/* Reserve space for our shared (read-only) fence references,
 	 * before we commit the CL to the hardware.
-- 
2.25.1