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drm/nouveau: fix race when adding delayed work items

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kernel.org bz#198221.

Reported-by: Petr Vandrovec <petr@vandrovec.name>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2017-12-23 08:54:28 +10:00
parent 4ef9289299
commit b26a2319be
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/nouveau/nouveau_drm.c
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@ -152,9 +152,9 @@ nouveau_cli_work_queue(struct nouveau_cli *cli, struct dma_fence *fence,
work->cli = cli;
mutex_lock(&cli->lock);
list_add_tail(&work->head, &cli->worker);
mutex_unlock(&cli->lock);
if (dma_fence_add_callback(fence, &work->cb, nouveau_cli_work_fence))
nouveau_cli_work_fence(fence, &work->cb);
mutex_unlock(&cli->lock);
}
static void