drm/nouveau/dmem: Fix a NULL vs IS_ERR() check

The hmm_devmem_add() function doesn't return NULL, it returns error pointers. Fixes: 5be73b6 ("drm/nouveau/dmem: device memory helpers for SVM") Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Ben Skeggs <[email protected]>
modi0012 · Mar 21, 2019 · 18ec3c1 · 18ec3c1
1 parent 2219c9e
commit 18ec3c1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/gpu/drm/nouveau/nouveau_dmem.c b/drivers/gpu/drm/nouveau/nouveau_dmem.c
@@ -621,7 +621,7 @@ nouveau_dmem_init(struct nouveau_drm *drm)
 	 */
 	drm->dmem->devmem = hmm_devmem_add(&nouveau_dmem_devmem_ops,
 					   device, size);
-	if (drm->dmem->devmem == NULL) {
+	if (IS_ERR(drm->dmem->devmem)) {
 		kfree(drm->dmem);
 		drm->dmem = NULL;
 		return;