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authorTomi Valkeinen <tomi.valkeinen@ti.com>2011-11-14 04:28:59 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-12-07 11:12:40 -0200
commit71c7a97289571ef5246b7f20d60b44961144c82f (patch)
tree94f65d9b575740d62b0c0b7da8a087e4c2ee0b2e
parentfc8ac777ae39409e81f7dd2d123d980c0dfb528e (diff)
downloadop-kernel-dev-71c7a97289571ef5246b7f20d60b44961144c82f.zip
op-kernel-dev-71c7a97289571ef5246b7f20d60b44961144c82f.tar.gz
[media] omap_vout: fix crash if no driver for a display
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>
-rw-r--r--drivers/media/video/omap/omap_vout.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/video/omap/omap_vout.c b/drivers/media/video/omap/omap_vout.c
index 9c5c19f..2d2a136 100644
--- a/drivers/media/video/omap/omap_vout.c
+++ b/drivers/media/video/omap/omap_vout.c
@@ -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;
}
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