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drm/nouveau: call drm_vblank_cleanup() earlier 

Fixes a NULL-ptr deref seen on module unload sometimes.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
hifive-unleashed-5.1
Ben Skeggs 2014-01-23 10:49:47 +10:00
parent 2332b31116
commit 1139ffb96b
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/nouveau/nouveau_display.c
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@ -74,14 +74,14 @@ nouveau_display_vblank_fini(struct drm_device *dev)
struct nouveau_display *disp = nouveau_display(dev);
int i;
drm_vblank_cleanup(dev);
if (disp->vblank) {
for (i = 0; i < dev->mode_config.num_crtc; i++)
nouveau_event_ref(NULL, &disp->vblank[i]);
kfree(disp->vblank);
disp->vblank = NULL;
}
drm_vblank_cleanup(dev);
}
static int