From: Kamil Dudka Date: Wed, 15 Jul 2015 15:18:15 +0000 (+0200) Subject: drm/nouveau: hold mutex when calling nouveau_abi16_fini() X-Git-Tag: v4.2-rc5~14^2~3^2~16 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ac8c79304280da6ef05c348a9da03ab04898b994;p=karo-tx-linux.git drm/nouveau: hold mutex when calling nouveau_abi16_fini() This was the only access to cli->abi16 without holding the mutex. Signed-off-by: Kamil Dudka --- diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index 649024d4daf1..01c78a4a3efa 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -865,8 +865,10 @@ nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv) pm_runtime_get_sync(dev->dev); + mutex_lock(&cli->mutex); if (cli->abi16) nouveau_abi16_fini(cli->abi16); + mutex_unlock(&cli->mutex); mutex_lock(&drm->client.mutex); list_del(&cli->head);