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From: Dan Carpenter <dan.carpenter-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
To: acourbot-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org
Cc: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
Subject: [bug report] drm/nouveau/falcon: add msgqueue interface
Date: Tue, 14 Mar 2017 10:56:27 +0300	[thread overview]
Message-ID: <20170314075627.GC6022@mwanda> (raw)

Hello Alexandre Courbot,

This is a semi-automatic email about new static checker warnings.

The patch 9b536e9d5251: "drm/nouveau/falcon: add msgqueue interface" 
from Jan 19, 2017, leads to the following Smatch complaint:

drivers/gpu/drm/nouveau/nvkm/falcon/msgqueue.c:514 nvkm_msgqueue_recv()
	 error: we previously assumed 'queue' could be null (see line 513)

drivers/gpu/drm/nouveau/nvkm/falcon/msgqueue.c
   512	{
   513		if (!queue || !queue->func || !queue->func->recv) {
                    ^^^^^^
Check.

   514			const struct nvkm_subdev *subdev = queue->falcon->owner;
                                                           ^^^^^^^^^^^^^
Dereference.

   515	
   516			nvkm_warn(subdev,

regards,
dan carpenter
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                 reply	other threads:[~2017-03-14  7:56 UTC|newest]

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