OMAP: DSS2: OMAPFB: fix dssdev cleanup on error

If there was a dss device without a driver and thus omapfb probe failed,
ref counts could be left to dss devices.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

diff --git a/drivers/video/omap2/omapfb/omapfb-main.c b/drivers/video/omap2/omapfb/omapfb-main.c
index d17caef..973bf79 100644 (file)
--- a/drivers/video/omap2/omapfb/omapfb-main.c
+++ b/drivers/video/omap2/omapfb/omapfb-main.c
@@ -2111,18 +2111,23 @@ static int omapfb_probe(struct platform_device *pdev)
        fbdev->dev = &pdev->dev;
        platform_set_drvdata(pdev, fbdev);
 
+       r = 0;
        fbdev->num_displays = 0;
        dssdev = NULL;
        for_each_dss_dev(dssdev) {
                omap_dss_get_device(dssdev);
+
                if (!dssdev->driver) {
                        dev_err(&pdev->dev, "no driver for display\n");
-                       r = -EINVAL;
-                       goto cleanup;
+                       r = -ENODEV;
                }
+
                fbdev->displays[fbdev->num_displays++] = dssdev;
        }
 
+       if (r)
+               goto cleanup;
+
        if (fbdev->num_displays == 0) {
                dev_err(&pdev->dev, "no displays\n");
                r = -EINVAL;