drm: Reduce scope of 'state' variable
authorDawid Kurek <dawikur@gmail.com>
Thu, 15 Jun 2017 17:45:56 +0000 (19:45 +0200)
committerSean Paul <seanpaul@chromium.org>
Thu, 15 Jun 2017 18:26:02 +0000 (14:26 -0400)
Smaller scope reduces visibility of variable and makes usage of
uninitialized variable less possible.

Changes in v2:
- separate declaration and initialization
Changes in v3:
- add missing signed-off-by tag

Signed-off-by: Dawid Kurek <dawikur@gmail.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20170615174556.GA8872@gmail.com
drivers/gpu/drm/drm_atomic.c

index 77dcef00998c6086d528b7a977f11b301cb0a52a..c0f336d23f9ccab1d375eda63f8381d62ccf0f00 100644 (file)
@@ -109,9 +109,10 @@ 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) {
+               struct drm_atomic_state *state;
+
                state = kzalloc(sizeof(*state), GFP_KERNEL);
                if (!state)
                        return NULL;