914 	if (gspca_dev->usb_err < 0)  in reg_r()
926 		gspca_dev->usb_err = result;  in reg_r()
936 	if (gspca_dev->usb_err < 0)  in reg_w()
949 		gspca_dev->usb_err = result;  in reg_w()
965 		if (gspca_dev->usb_err < 0)  in i2c_w()
970 				gspca_dev->usb_err = -EIO;  in i2c_w()
1088 	if (gspca_dev->usb_err < 0)  in ov9650_init_sensor()
1093 		gspca_dev->usb_err = -ENODEV;  in ov9650_init_sensor()
1100 	if (gspca_dev->usb_err < 0)  in ov9650_init_sensor()
1113 	if (gspca_dev->usb_err < 0)  in ov9655_init_sensor()
1127 	if (gspca_dev->usb_err < 0)  in soi968_init_sensor()
1141 	if (gspca_dev->usb_err < 0)  in ov7660_init_sensor()
1154 	if (gspca_dev->usb_err < 0)  in ov7670_init_sensor()
1168 	if (gspca_dev->usb_err >= 0  in mt9v_init_sensor()
1171 		if (gspca_dev->usb_err < 0) {  in mt9v_init_sensor()
1182 	gspca_dev->usb_err = 0;  in mt9v_init_sensor()
1186 	if (gspca_dev->usb_err >= 0  in mt9v_init_sensor()
1189 		if (gspca_dev->usb_err < 0) {  in mt9v_init_sensor()
1200 	gspca_dev->usb_err = 0;  in mt9v_init_sensor()
1203 	if (gspca_dev->usb_err < 0) {  in mt9v_init_sensor()
1204 		gspca_dev->usb_err = 0;  in mt9v_init_sensor()
1209 	if (gspca_dev->usb_err >= 0  in mt9v_init_sensor()
1212 		if (gspca_dev->usb_err < 0) {  in mt9v_init_sensor()
1223 	gspca_dev->usb_err = -ENODEV;  in mt9v_init_sensor()
1231 	if (gspca_dev->usb_err < 0)  in mt9m112_init_sensor()
1243 	if (gspca_dev->usb_err < 0)  in mt9m111_init_sensor()
1256 	if (gspca_dev->usb_err < 0)  in mt9m001_init_sensor()
1270 		gspca_dev->usb_err = -ENODEV;  in mt9m001_init_sensor()
1275 	if (gspca_dev->usb_err < 0)  in mt9m001_init_sensor()
1287 	if (gspca_dev->usb_err < 0)  in hv7131r_init_sensor()
1567 		return gspca_dev->usb_err;  in sd_dbg_g_register()
1576 		return gspca_dev->usb_err;  in sd_dbg_g_register()
1591 		return gspca_dev->usb_err;  in sd_dbg_s_register()
1599 		return gspca_dev->usb_err;  in sd_dbg_s_register()
1665 	gspca_dev->usb_err = 0;  in sd_s_ctrl()
1706 	return gspca_dev->usb_err;  in sd_s_ctrl()
1797 		if (gspca_dev->usb_err < 0) {  in sd_init()
1799 			return gspca_dev->usb_err;  in sd_init()
1809 	if (gspca_dev->usb_err < 0) {  in sd_init()
1811 		return gspca_dev->usb_err;  in sd_init()
1817 		if (gspca_dev->usb_err < 0)  in sd_init()
1823 		if (gspca_dev->usb_err < 0)  in sd_init()
1829 		if (gspca_dev->usb_err < 0)  in sd_init()
1835 		if (gspca_dev->usb_err < 0)  in sd_init()
1841 		if (gspca_dev->usb_err < 0)  in sd_init()
1847 		if (gspca_dev->usb_err < 0)  in sd_init()
1853 		if (gspca_dev->usb_err < 0)  in sd_init()
1859 		if (gspca_dev->usb_err < 0)  in sd_init()
1865 		if (gspca_dev->usb_err < 0)  in sd_init()
1870 		if (gspca_dev->usb_err < 0)  in sd_init()
1876 		gspca_dev->usb_err = -ENODEV;  in sd_init()
1878 	return gspca_dev->usb_err;  in sd_init()
2058 	return gspca_dev->usb_err;  in sd_start()
2169 	gspca_dev->usb_err = 0;  in qual_upd()