fb_crtc is used before a null check, so move the use after the null check.
This was just identified by inspection. I haven't actually observed a crash here, so it is possible that the null check could be unnecessary.
Signed-off-by: David Lechner david@lechnology.com --- drivers/gpu/drm/drm_fb_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 2cc28f0..2d3f93e 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -2424,9 +2424,9 @@ static void drm_setup_crtcs(struct drm_fb_helper *fb_helper, struct drm_display_mode *mode = modes[i]; struct drm_fb_helper_crtc *fb_crtc = crtcs[i]; struct drm_fb_offset *offset = &offsets[i]; - struct drm_mode_set *modeset = &fb_crtc->mode_set;
if (mode && fb_crtc) { + struct drm_mode_set *modeset = &fb_crtc->mode_set; struct drm_connector *connector = fb_helper->connector_info[i]->connector;
On Wed, Aug 02, 2017 at 01:00:13PM -0500, David Lechner wrote:
fb_crtc is used before a null check, so move the use after the null check.
This was just identified by inspection. I haven't actually observed a crash here, so it is possible that the null check could be unnecessary.
Signed-off-by: David Lechner david@lechnology.com
Thanks, applied. -Daniel
drivers/gpu/drm/drm_fb_helper.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index 2cc28f0..2d3f93e 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -2424,9 +2424,9 @@ static void drm_setup_crtcs(struct drm_fb_helper *fb_helper, struct drm_display_mode *mode = modes[i]; struct drm_fb_helper_crtc *fb_crtc = crtcs[i]; struct drm_fb_offset *offset = &offsets[i];
struct drm_mode_set *modeset = &fb_crtc->mode_set;
if (mode && fb_crtc) {
struct drm_mode_set *modeset = &fb_crtc->mode_set; struct drm_connector *connector = fb_helper->connector_info[i]->connector;
-- 2.7.4
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