915 	if (gspca_dev->usb_err < 0)  in reg_r()
927 		gspca_dev->usb_err = result;  in reg_r()
942 	if (gspca_dev->usb_err < 0)  in reg_w()
955 		gspca_dev->usb_err = result;  in reg_w()
971 		if (gspca_dev->usb_err < 0)  in i2c_w()
976 				gspca_dev->usb_err = -EIO;  in i2c_w()
1094 	if (gspca_dev->usb_err < 0)  in ov9650_init_sensor()
1099 		gspca_dev->usb_err = -ENODEV;  in ov9650_init_sensor()
1106 	if (gspca_dev->usb_err < 0)  in ov9650_init_sensor()
1119 	if (gspca_dev->usb_err < 0)  in ov9655_init_sensor()
1133 	if (gspca_dev->usb_err < 0)  in soi968_init_sensor()
1147 	if (gspca_dev->usb_err < 0)  in ov7660_init_sensor()
1160 	if (gspca_dev->usb_err < 0)  in ov7670_init_sensor()
1174 	if (gspca_dev->usb_err >= 0  in mt9v_init_sensor()
1177 		if (gspca_dev->usb_err < 0) {  in mt9v_init_sensor()
1188 	gspca_dev->usb_err = 0;  in mt9v_init_sensor()
1192 	if (gspca_dev->usb_err >= 0  in mt9v_init_sensor()
1195 		if (gspca_dev->usb_err < 0) {  in mt9v_init_sensor()
1206 	gspca_dev->usb_err = 0;  in mt9v_init_sensor()
1209 	if (gspca_dev->usb_err < 0) {  in mt9v_init_sensor()
1210 		gspca_dev->usb_err = 0;  in mt9v_init_sensor()
1215 	if (gspca_dev->usb_err >= 0  in mt9v_init_sensor()
1218 		if (gspca_dev->usb_err < 0) {  in mt9v_init_sensor()
1229 	gspca_dev->usb_err = -ENODEV;  in mt9v_init_sensor()
1237 	if (gspca_dev->usb_err < 0)  in mt9m112_init_sensor()
1249 	if (gspca_dev->usb_err < 0)  in mt9m111_init_sensor()
1262 	if (gspca_dev->usb_err < 0)  in mt9m001_init_sensor()
1276 		gspca_dev->usb_err = -ENODEV;  in mt9m001_init_sensor()
1281 	if (gspca_dev->usb_err < 0)  in mt9m001_init_sensor()
1293 	if (gspca_dev->usb_err < 0)  in hv7131r_init_sensor()
1573 		return gspca_dev->usb_err;  in sd_dbg_g_register()
1582 		return gspca_dev->usb_err;  in sd_dbg_g_register()
1597 		return gspca_dev->usb_err;  in sd_dbg_s_register()
1605 		return gspca_dev->usb_err;  in sd_dbg_s_register()
1671 	gspca_dev->usb_err = 0;  in sd_s_ctrl()
1712 	return gspca_dev->usb_err;  in sd_s_ctrl()
1803 		if (gspca_dev->usb_err < 0) {  in sd_init()
1805 			return gspca_dev->usb_err;  in sd_init()
1815 	if (gspca_dev->usb_err < 0) {  in sd_init()
1817 		return gspca_dev->usb_err;  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()
1871 		if (gspca_dev->usb_err < 0)  in sd_init()
1876 		if (gspca_dev->usb_err < 0)  in sd_init()
1882 		gspca_dev->usb_err = -ENODEV;  in sd_init()
1884 	return gspca_dev->usb_err;  in sd_init()
2061 	return gspca_dev->usb_err;  in sd_start()
2169 	gspca_dev->usb_err = 0;  in qual_upd()