906 	if (gspca_dev->usb_err < 0)  in reg_r()
918 		gspca_dev->usb_err = result;  in reg_r()
933 	if (gspca_dev->usb_err < 0)  in reg_w()
946 		gspca_dev->usb_err = result;  in reg_w()
962 		if (gspca_dev->usb_err < 0)  in i2c_w()
967 				gspca_dev->usb_err = -EIO;  in i2c_w()
1085 	if (gspca_dev->usb_err < 0)  in ov9650_init_sensor()
1090 		gspca_dev->usb_err = -ENODEV;  in ov9650_init_sensor()
1097 	if (gspca_dev->usb_err < 0)  in ov9650_init_sensor()
1110 	if (gspca_dev->usb_err < 0)  in ov9655_init_sensor()
1124 	if (gspca_dev->usb_err < 0)  in soi968_init_sensor()
1138 	if (gspca_dev->usb_err < 0)  in ov7660_init_sensor()
1151 	if (gspca_dev->usb_err < 0)  in ov7670_init_sensor()
1165 	if (gspca_dev->usb_err >= 0  in mt9v_init_sensor()
1168 		if (gspca_dev->usb_err < 0) {  in mt9v_init_sensor()
1179 	gspca_dev->usb_err = 0;  in mt9v_init_sensor()
1183 	if (gspca_dev->usb_err >= 0  in mt9v_init_sensor()
1186 		if (gspca_dev->usb_err < 0) {  in mt9v_init_sensor()
1197 	gspca_dev->usb_err = 0;  in mt9v_init_sensor()
1200 	if (gspca_dev->usb_err < 0) {  in mt9v_init_sensor()
1201 		gspca_dev->usb_err = 0;  in mt9v_init_sensor()
1206 	if (gspca_dev->usb_err >= 0  in mt9v_init_sensor()
1209 		if (gspca_dev->usb_err < 0) {  in mt9v_init_sensor()
1220 	gspca_dev->usb_err = -ENODEV;  in mt9v_init_sensor()
1228 	if (gspca_dev->usb_err < 0)  in mt9m112_init_sensor()
1240 	if (gspca_dev->usb_err < 0)  in mt9m111_init_sensor()
1253 	if (gspca_dev->usb_err < 0)  in mt9m001_init_sensor()
1267 		gspca_dev->usb_err = -ENODEV;  in mt9m001_init_sensor()
1272 	if (gspca_dev->usb_err < 0)  in mt9m001_init_sensor()
1284 	if (gspca_dev->usb_err < 0)  in hv7131r_init_sensor()
1564 		return gspca_dev->usb_err;  in sd_dbg_g_register()
1573 		return gspca_dev->usb_err;  in sd_dbg_g_register()
1588 		return gspca_dev->usb_err;  in sd_dbg_s_register()
1596 		return gspca_dev->usb_err;  in sd_dbg_s_register()
1662 	gspca_dev->usb_err = 0;  in sd_s_ctrl()
1703 	return gspca_dev->usb_err;  in sd_s_ctrl()
1794 		if (gspca_dev->usb_err < 0) {  in sd_init()
1796 			return gspca_dev->usb_err;  in sd_init()
1806 	if (gspca_dev->usb_err < 0) {  in sd_init()
1808 		return gspca_dev->usb_err;  in sd_init()
1814 		if (gspca_dev->usb_err < 0)  in sd_init()
1820 		if (gspca_dev->usb_err < 0)  in sd_init()
1826 		if (gspca_dev->usb_err < 0)  in sd_init()
1832 		if (gspca_dev->usb_err < 0)  in sd_init()
1838 		if (gspca_dev->usb_err < 0)  in sd_init()
1844 		if (gspca_dev->usb_err < 0)  in sd_init()
1850 		if (gspca_dev->usb_err < 0)  in sd_init()
1856 		if (gspca_dev->usb_err < 0)  in sd_init()
1862 		if (gspca_dev->usb_err < 0)  in sd_init()
1867 		if (gspca_dev->usb_err < 0)  in sd_init()
1873 		gspca_dev->usb_err = -ENODEV;  in sd_init()
1875 	return gspca_dev->usb_err;  in sd_init()
2052 	return gspca_dev->usb_err;  in sd_start()
2160 	gspca_dev->usb_err = 0;  in qual_upd()