linux-kernel - Re: drm/nouveau/core/memory: kmemleak 684 new suspected memory leaks

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Date:   Fri, 17 May 2019 16:27:37 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Cc:     Ben Skeggs <bskeggs@...hat.com>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: drm/nouveau/core/memory: kmemleak 684 new suspected memory leaks

On (05/17/19 15:13), Sergey Senozhatsky wrote:

> ... but most likely it's utterly wrong.
> 

JFI, I removed kmemleak annotation and added the following
thing:

@@ -360,6 +360,7 @@ gp100_vmm_valid(struct nvkm_vmm *vmm, void *argv, u32 argc,
                        return -EINVAL;
                }

+               kfree(map->tags);
                ret = nvkm_memory_tags_get(memory, device, tags,
                                           nvkm_ltc_tags_clear,
                                           &map->tags);

	-ss