V4L/DVB (13646): sh_mobile_ceu_camera: do not mark host occupied, when adding a client fails

Currently, if resetting the host interface, when adding a new client, fails, a
negative error code is returned, but the host is still marked as occupied. Fix
this bug.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index 3271944f261..2a38e1d9061 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -459,6 +459,7 @@ static int sh_mobile_ceu_add_device(struct soc_camera_device *icd)
 {
         struct soc_camera_host *ici = to_soc_camera_host(icd->dev.parent);
         struct sh_mobile_ceu_dev *pcdev = ici->priv;
+        int ret;
 
         if (pcdev->icd)
                 return -EBUSY;
@@ -469,9 +470,11 @@ static int sh_mobile_ceu_add_device(struct soc_camera_device *icd)
 
         pm_runtime_get_sync(ici->v4l2_dev.dev);
 
-        pcdev->icd = icd;
+        ret = sh_mobile_ceu_soft_reset(pcdev);
+        if (!ret)
+                pcdev->icd = icd;
 
-        return sh_mobile_ceu_soft_reset(pcdev);
+        return ret;
 }
 
 /* Called with .video_lock held */