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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-19 08:31:22 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-19 08:31:22 +0200
commit7555c5d5a87973fbdee201ff63d2edd748933177 (patch)
treea8744fc2f94c04dc32ffecada5ffb14a47558eda /drivers/gpu/drm/drm_crtc.c
parenteb6d938ffa486dd89331cbfa2137038df6c912d2 (diff)
parentf8e6e1b6f0ae3bb91cdcd08213d36a0ce6e98535 (diff)
Merge tag 'drm-fixes-2018-10-19' of git://anongit.freedesktop.org/drm/drm
Dave writes: "drm fixes for 4.19 final Just a last set of misc core fixes for final. 4 fixes, one use after free, one fb integration fix, one EDID fix, and one laptop panel quirk," * tag 'drm-fixes-2018-10-19' of git://anongit.freedesktop.org/drm/drm: drm/edid: VSDB yCBCr420 Deep Color mode bit definitions drm: fix use of freed memory in drm_mode_setcrtc drm: fb-helper: Reject all pixel format changing requests drm/edid: Add 6 bpc quirk for BOE panel in HP Pavilion 15-n233sl
Diffstat (limited to 'drivers/gpu/drm/drm_crtc.c')
-rw-r--r--drivers/gpu/drm/drm_crtc.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index bae43938c8f6..9cbe8f5c9aca 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -567,9 +567,9 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
struct drm_mode_crtc *crtc_req = data;
struct drm_crtc *crtc;
struct drm_plane *plane;
- struct drm_connector **connector_set = NULL, *connector;
- struct drm_framebuffer *fb = NULL;
- struct drm_display_mode *mode = NULL;
+ struct drm_connector **connector_set, *connector;
+ struct drm_framebuffer *fb;
+ struct drm_display_mode *mode;
struct drm_mode_set set;
uint32_t __user *set_connectors_ptr;
struct drm_modeset_acquire_ctx ctx;
@@ -598,6 +598,10 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data,
mutex_lock(&crtc->dev->mode_config.mutex);
drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE);
retry:
+ connector_set = NULL;
+ fb = NULL;
+ mode = NULL;
+
ret = drm_modeset_lock_all_ctx(crtc->dev, &ctx);
if (ret)
goto out;