linux-kernel - [PATCH] drm: Reduce scope of 'state' variable

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Date:   Thu, 15 Jun 2017 12:41:42 +0200
From:   Dawid Kurek <dawikur@...il.com>
To:     Daniel Vetter <daniel.vetter@...el.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Sean Paul <seanpaul@...omium.org>,
        David Airlie <airlied@...ux.ie>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [PATCH] drm: Reduce scope of 'state' variable

Smaller scope reduces visibility of variable and makes usage of
uninitialized variable less possible.
---
 drivers/gpu/drm/drm_atomic.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index f32506a..ea5a9a7 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -108,10 +108,11 @@ struct drm_atomic_state *
 drm_atomic_state_alloc(struct drm_device *dev)
 {
 	struct drm_mode_config *config = &dev->mode_config;
-	struct drm_atomic_state *state;
 
 	if (!config->funcs->atomic_state_alloc) {
-		state = kzalloc(sizeof(*state), GFP_KERNEL);
+		struct drm_atomic_state *state
+			= kzalloc(sizeof(*state), GFP_KERNEL);
+
 		if (!state)
 			return NULL;
 		if (drm_atomic_state_init(dev, state) < 0) {
-- 
2.10.0


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