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drm/nouveau: fix crash with noaccel=1 

Reported-by: Ortwin Glück <odi@odi.ch>
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Marcin Slusarz 2012-11-11 20:00:09 +01:00 committed by Ben Skeggs
parent 1f150b3e7a
commit bf7e438bca
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/nouveau/nouveau_abi16.c
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@ -241,6 +241,10 @@ nouveau_abi16_ioctl_channel_alloc(ABI16_IOCTL_ARGS)
if (unlikely(!abi16))
return -ENOMEM;
if (!drm->channel)
return nouveau_abi16_put(abi16, -ENODEV);
client = nv_client(abi16->client);
if (init->fb_ctxdma_handle == ~0 || init->tt_ctxdma_handle == ~0)