diff --git a/sys/dev/drm/radeon/radeon_bios.c b/sys/dev/drm/radeon/radeon_bios.c
--- a/sys/dev/drm/radeon/radeon_bios.c
+++ b/sys/dev/drm/radeon/radeon_bios.c
@@ -715,6 +715,10 @@
 	}
 
 	rdev->bios = kmalloc(vhdr->ImageLength, M_DRM, M_WAITOK);
+	if (rdev->bios == NULL) {
+		ret = false;
+		goto out_unmap;
+	}
 	memcpy(rdev->bios, &vbios->VbiosContent, vhdr->ImageLength);
 	ret = !!rdev->bios;