diff options
-rw-r--r-- | drivers/media/video/sh_mobile_csi2.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/video/sh_mobile_csi2.c b/drivers/media/video/sh_mobile_csi2.c index 91c680a72849..37706eb81f25 100644 --- a/drivers/media/video/sh_mobile_csi2.c +++ b/drivers/media/video/sh_mobile_csi2.c @@ -208,6 +208,9 @@ static int sh_csi2_client_connect(struct sh_csi2 *priv) unsigned long common_flags, csi2_flags; int i, ret; + if (priv->client) + return -EBUSY; + for (i = 0; i < pdata->num_clients; i++) if (&pdata->clients[i].pdev->dev == icd->pdev) break; @@ -262,6 +265,9 @@ static int sh_csi2_client_connect(struct sh_csi2 *priv) static void sh_csi2_client_disconnect(struct sh_csi2 *priv) { + if (!priv->client) + return; + priv->client = NULL; pm_runtime_put(v4l2_get_subdevdata(&priv->subdev)); |