msm:cpp: Set inst_info before send it to userspace

If IOCTL command VIDIOC_MSM_CPP_GET_INST_INFO is
called, inst_info structure must be initilaized before
it is sent to userspace.

Change-Id: I4936ae31ecd19cfd25cf22de32101fe3257889d6
Signed-off-by: Iliya Varadzhakov <ivarad@codeaurora.org>
diff --git a/drivers/media/platform/msm/camera_v2/pproc/cpp/msm_cpp.c b/drivers/media/platform/msm/camera_v2/pproc/cpp/msm_cpp.c
index c1f48f5..dea3e29 100644
--- a/drivers/media/platform/msm/camera_v2/pproc/cpp/msm_cpp.c
+++ b/drivers/media/platform/msm/camera_v2/pproc/cpp/msm_cpp.c
@@ -1678,6 +1678,7 @@
 		struct cpp_device *cpp_dev = v4l2_get_subdevdata(sd);
 		struct msm_camera_v4l2_ioctl_t *ioctl_ptr = arg;
 		struct msm_cpp_frame_info_t inst_info;
+		memset(&inst_info, 0, sizeof(struct msm_cpp_frame_info_t));
 		for (i = 0; i < MAX_ACTIVE_CPP_INSTANCE; i++) {
 			if (cpp_dev->cpp_subscribe_list[i].vfh == vfh) {
 				inst_info.inst_id = i;