linux-kernel - [PATCH 2/4] misc: mic: Use PTR_ERR_OR_ZERO rather than its implementation

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Date:   Thu, 5 Sep 2019 14:43:13 +0800
From:   zhong jiang <zhongjiang@...wei.com>
To:     <tony@...mide.com>, <udeep.dutt@...el.com>,
        <ashutosh.dixit@...el.com>, <gregkh@...uxfoundation.org>,
        <kishon@...com>, <jonathanh@...dia.com>, <a.zummo@...ertech.it>,
        <alexandre.belloni@...tlin.com>
CC:     <zhongjiang@...wei.com>, <linux-kernel@...r.kernel.org>,
        <linux-rtc@...r.kernel.org>, <arnd@...db.de>,
        <lorenzo.pieralisi@....com>
Subject: [PATCH 2/4] misc: mic: Use PTR_ERR_OR_ZERO rather than its implementation

PTR_ERR_OR_ZERO contains if(IS_ERR(...)) + PTR_ERR. It is better to
use it directly. hence just replace it.

Signed-off-by: zhong jiang <zhongjiang@...wei.com>
---
 drivers/misc/mic/scif/scif_epd.h | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/misc/mic/scif/scif_epd.h b/drivers/misc/mic/scif/scif_epd.h
index d3837f8..0b9dfe1 100644
--- a/drivers/misc/mic/scif/scif_epd.h
+++ b/drivers/misc/mic/scif/scif_epd.h
@@ -156,9 +156,8 @@ static inline int scif_verify_epd(struct scif_endpt *ep)
 static inline int scif_anon_inode_getfile(scif_epd_t epd)
 {
 	epd->anon = anon_inode_getfile("scif", &scif_anon_fops, NULL, 0);
-	if (IS_ERR(epd->anon))
-		return PTR_ERR(epd->anon);
-	return 0;
+
+	return PTR_ERR_OR_ZERO(epd->anon);
 }
 
 static inline void scif_anon_inode_fput(scif_epd_t epd)
-- 
1.7.12.4