ARM: EXYNOS: remove unnecessary use of IS_ERR_VALUE()

s5p_register_gpio_interrupt() returns 0 or positive for success, and
-ve for errors, so just use the standard >= 0 test.
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-exynos/mach-nuri.c

@@ -1252,7 +1252,7 @@ static void __init nuri_camera_init(void)
 	}
 
 	m5mols_board_info.irq = s5p_register_gpio_interrupt(GPIO_CAM_8M_ISP_INT);
-	if (!IS_ERR_VALUE(m5mols_board_info.irq))
+	if (m5mols_board_info.irq >= 0)
 		s3c_gpio_cfgpin(GPIO_CAM_8M_ISP_INT, S3C_GPIO_SFN(0xF));
 	else
 		pr_err("%s: Failed to configure 8M_ISP_INT GPIO\n", __func__);