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[media] omap_vout: fix crash if no driver for a display

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omap_vout crashes on start if a corresponding driver is not loaded for a
display device.

This patch changes omap_vout init sequence to skip devices without a
driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Tomi Valkeinen 2011-11-14 04:28:59 -03:00 committed by Mauro Carvalho Chehab
parent fc8ac777ae
commit 71c7a97289
1 changed files with 8 additions and 0 deletions
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8
drivers/media/video/omap/omap_vout.c
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@ -2169,6 +2169,14 @@ static int __init omap_vout_probe(struct platform_device *pdev)
vid_dev->num_displays = 0;
for_each_dss_dev(dssdev) {
omap_dss_get_device(dssdev);
if (!dssdev->driver) {
dev_warn(&pdev->dev, "no driver for display: %s\n",
dssdev->name);
omap_dss_put_device(dssdev);
continue;
}
vid_dev->displays[vid_dev->num_displays++] = dssdev;
}