Hi Louis,
On 9/6/24 13:15, Louis Chauvet wrote:
CRTC initialization call drm_mode_crtc_set_gamma_size without the proper
checks, introduce this check to avoid issues.
Signed-off-by: Louis Chauvet <louis.chauvet@xxxxxxxxxxx>
Applied to misc/kernel.git (drm-misc-next).
Best Regards,
- Maíra
---
drivers/gpu/drm/vkms/vkms_crtc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/vkms/vkms_crtc.c b/drivers/gpu/drm/vkms/vkms_crtc.c
index 40b4d084e3ce..e4f93dfbd071 100644
--- a/drivers/gpu/drm/vkms/vkms_crtc.c
+++ b/drivers/gpu/drm/vkms/vkms_crtc.c
@@ -287,7 +287,12 @@ int vkms_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
drm_crtc_helper_add(crtc, &vkms_crtc_helper_funcs);
- drm_mode_crtc_set_gamma_size(crtc, VKMS_LUT_SIZE);
+ ret = drm_mode_crtc_set_gamma_size(crtc, VKMS_LUT_SIZE);
+ if (ret) {
+ DRM_ERROR("Failed to set gamma size\n");
+ return ret;
+ }
+
drm_crtc_enable_color_mgmt(crtc, 0, false, VKMS_LUT_SIZE);
spin_lock_init(&vkms_out->lock);
---
base-commit: a6bb1f77a94335de67dba12e7f52651c115b82d2
change-id: 20240906-vkms-add-missing-check-e1b6ee8d1b39
Best regards,