nouveau/u_memcpya: fix NULL vs error pointer bug

[platform/kernel/linux-starfive.git] / drivers / gpu / drm / nouveau / nouveau_drv.h

diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 3666a74..e73a233 100644 (file)
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -193,7 +193,7 @@ u_memcpya(uint64_t user, unsigned int nmemb, unsigned int size)
        size_t bytes;
 
        if (unlikely(check_mul_overflow(nmemb, size, &bytes)))
-               return NULL;
+               return ERR_PTR(-EOVERFLOW);
        return vmemdup_user(userptr, bytes);
 }