drm/nouveau: zero vma pointer even if we only unreference it rather than free

Ben Skeggs · Ben Skeggs · commit 4c9ee1bfca82 · 2020-01-29T15:49:46.000+10:00
I'm not sure this affects anything, but best be safe.

Signed-off-by: Ben Skeggs &lt;bskeggs@redhat.com&gt;
diff --git a/drivers/gpu/drm/nouveau/nouveau_vmm.c b/drivers/gpu/drm/nouveau/nouveau_vmm.c
@@ -69,8 +69,8 @@ nouveau_vma_del(struct nouveau_vma **pvma)
 		}
 		list_del(&vma->head);
 		kfree(*pvma);
-		*pvma = NULL;
 	}
+	*pvma = NULL;
 }
 
 int

Original file line number	Diff line number	Diff line change
`@@ -69,8 +69,8 @@ nouveau_vma_del(struct nouveau_vma **pvma)`
`69`	`69`	`}`
`70`	`70`	`list_del(&vma->head);`
`71`	`71`	`kfree(*pvma);`
`72`		`- *pvma = NULL;`
`73`	`72`	`}`
	`73`	`+ *pvma = NULL;`
`74`	`74`	`}`
`75`	`75`
`76`	`76`	`int`