When unloading omapdrm we get a NULL pointer deref in
omap_drm_irq_uninstall(). This is caused by:
967dd48417874dd25491a4e933648f394a64f70f ("drm: remove
drm_vblank_no_hw_counter assignment from driver code")
As OMAP DSS does not have a HW vblank counter, vblank[i].last is anyway
always 0, so we can just remove the call to get_vblank_counter().
Signed-off-by: Tomi Valkeinen <tomi.valkei...@ti.com>
---
drivers/gpu/drm/omapdrm/omap_irq.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/omap_irq.c
b/drivers/gpu/drm/omapdrm/omap_irq.c
index 26a3c06aa14d..130fdc3225ed 100644
--- a/drivers/gpu/drm/omapdrm/omap_irq.c
+++ b/drivers/gpu/drm/omapdrm/omap_irq.c
@@ -299,8 +299,6 @@ void omap_drm_irq_uninstall(struct drm_device *dev)
for (i = 0; i < dev->num_crtcs; i++) {
wake_up(&dev->vblank[i].queue);
dev->vblank[i].enabled = false;
- dev->vblank[i].last =
- dev->driver->get_vblank_counter(dev, i);
}
spin_unlock_irqrestore(&dev->vbl_lock, irqflags);
}
--
2.7.4
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