media: qcom: camss: Propagate vfe_reset error up the callstack

A previous patch I had removed the returns from vfe_disable() since we
didn't trap any meaningful errors. Konrad pointed out vfe_reset() could
return an error, which is true.

Trap the vfe_reset() error code and throw it up the callstack.
Suggested-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/platform/qcom/camss/camss-vfe.c

@@ -435,8 +435,11 @@ static int vfe_disable_output(struct vfe_line *line)
 int vfe_disable(struct vfe_line *line)
 {
 	struct vfe_device *vfe = to_vfe(line);
+	int ret;
 
-	vfe_disable_output(line);
+	ret = vfe_disable_output(line);
+	if (ret)
+		goto error;
 
 	vfe_put_output(line);
 
@@ -446,7 +449,8 @@ int vfe_disable(struct vfe_line *line)
 
 	mutex_unlock(&vfe->stream_lock);
 
-	return 0;
+error:
+	return ret;
 }
 
 /**