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> --- 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, -- Louis Chauvet <louis.chauvet@xxxxxxxxxxx>