From: jsg <jsg@openbsd.org>
Date: Mon, 29 Jan 2024 01:34:47 +0000 (+0000)
Subject: drm/radeon: check the alloc_workqueue return value in radeon_crtc_init()
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=7250779598e40508c9dd3cf60659141890274bcd;p=openbsd

drm/radeon: check the alloc_workqueue return value in radeon_crtc_init()

From Yang Yingliang
0b813a6a0087451cb702b6eb841f10856f49d088 in linux-6.6.y/6.6.14
7a2464fac80d42f6f8819fed97a553e9c2f43310 in mainline linux
---

diff --git a/sys/dev/pci/drm/radeon/radeon_display.c b/sys/dev/pci/drm/radeon/radeon_display.c
index e475602af0b..94132c37d0b 100644
--- a/sys/dev/pci/drm/radeon/radeon_display.c
+++ b/sys/dev/pci/drm/radeon/radeon_display.c
@@ -687,11 +687,16 @@ static void radeon_crtc_init(struct drm_device *dev, int index)
 	if (radeon_crtc == NULL)
 		return;
 
+	radeon_crtc->flip_queue = alloc_workqueue("radeon-crtc", WQ_HIGHPRI, 0);
+	if (!radeon_crtc->flip_queue) {
+		kfree(radeon_crtc);
+		return;
+	}
+
 	drm_crtc_init(dev, &radeon_crtc->base, &radeon_crtc_funcs);
 
 	drm_mode_crtc_set_gamma_size(&radeon_crtc->base, 256);
 	radeon_crtc->crtc_id = index;
-	radeon_crtc->flip_queue = alloc_workqueue("radeon-crtc", WQ_HIGHPRI, 0);
 	rdev->mode_info.crtcs[index] = radeon_crtc;
 
 	if (rdev->family >= CHIP_BONAIRE) {