612 	if (gspca_dev->usb_err < 0)  in ov534_reg_write()
624 		gspca_dev->usb_err = ret;  in ov534_reg_write()
633 	if (gspca_dev->usb_err < 0)  in ov534_reg_read()
643 		gspca_dev->usb_err = ret;  in ov534_reg_read()
713 		gspca_dev->usb_err = -EIO;  in sccb_reg_write()
1078 		gspca_dev->usb_err = 0;  in ov534_g_volatile_ctrl()
1081 		return gspca_dev->usb_err;  in ov534_g_volatile_ctrl()
1084 		gspca_dev->usb_err = 0;  in ov534_g_volatile_ctrl()
1088 		return gspca_dev->usb_err;  in ov534_g_volatile_ctrl()
1098 	gspca_dev->usb_err = 0;  in ov534_s_ctrl()
1118 		if (!gspca_dev->usb_err && !ctrl->val && sd->gain)  in ov534_s_ctrl()
1127 		if (!gspca_dev->usb_err && ctrl->val == V4L2_EXPOSURE_MANUAL &&  in ov534_s_ctrl()
1144 	return gspca_dev->usb_err;  in ov534_s_ctrl()
1315 	return gspca_dev->usb_err;  in sd_init()
1376 	return gspca_dev->usb_err;  in sd_start()