[PATCH -next] sh-pfc: Use PTR_ERR_OR_ZERO() to simplify the code

[weiyj_lk]

From: Wei Yongjun <yongjun_...@trendmicro.com.cn>

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

Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn>
---
 drivers/pinctrl/sh-pfc/pinctrl.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/pinctrl/sh-pfc/pinctrl.c b/drivers/pinctrl/sh-pfc/pinctrl.c
index d4e65bc..e208ee0 100644
--- a/drivers/pinctrl/sh-pfc/pinctrl.c
+++ b/drivers/pinctrl/sh-pfc/pinctrl.c
@@ -814,8 +814,5 @@ int sh_pfc_register_pinctrl(struct sh_pfc *pfc)
        pmx->pctl_desc.npins = pfc->info->nr_pins;
 
        pmx->pctl = devm_pinctrl_register(pfc->dev, &pmx->pctl_desc, pmx);
-       if (IS_ERR(pmx->pctl))
-               return PTR_ERR(pmx->pctl);
-
-       return 0;
+       return PTR_ERR_OR_ZERO(pmx->pctl);
 }