[PATCH] firmware: Use PTR_ERR_OR_ZERO()

From: Vasyl Gomonovych
Date: Tue Nov 28 2017 - 16:40:44 EST


Fix ptr_ret.cocci warnings:
drivers/firmware/efi/efi.c:610:8-14: WARNING: PTR_ERR_OR_ZERO can be used

Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Signed-off-by: Vasyl Gomonovych <gomonovych@xxxxxxxxx>
---
drivers/firmware/qemu_fw_cfg.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/firmware/qemu_fw_cfg.c b/drivers/firmware/qemu_fw_cfg.c
index 5cfe39f7a45f..18489b6a696d 100644
--- a/drivers/firmware/qemu_fw_cfg.c
+++ b/drivers/firmware/qemu_fw_cfg.c
@@ -693,10 +693,8 @@ static int fw_cfg_cmdline_set(const char *arg, const struct kernel_param *kp)
*/
fw_cfg_cmdline_dev = platform_device_register_simple("fw_cfg",
PLATFORM_DEVID_NONE, res, processed);
- if (IS_ERR(fw_cfg_cmdline_dev))
- return PTR_ERR(fw_cfg_cmdline_dev);

- return 0;
+ return PTR_ERR_OR_ZERO(fw_cfg_cmdline_dev);
}

static int fw_cfg_cmdline_get(char *buf, const struct kernel_param *kp)
--
1.9.1