linux-kernel - [PATCH] ovl: Use PTR_ERR_OR

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Message-Id: <1511824163-10931-1-git-send-email-gomonovych@gmail.com>
Date:   Tue, 28 Nov 2017 00:09:23 +0100
From:   Vasyl Gomonovych <gomonovych@...il.com>
To:     miklos@...redi.hu, linux-unionfs@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, gomonovych@...il.com
Subject: [PATCH] ovl: Use PTR_ERR_OR_ZERO()

Fix ptr_ret.cocci warnings:
fs/overlayfs/overlayfs.h:179:11-17: 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@...il.com>
---
 fs/overlayfs/overlayfs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index d9a0edd4e57e..b82e463d89d5 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -176,7 +176,7 @@ static inline int ovl_do_whiteout(struct inode *dir, struct dentry *dentry)
 static inline struct dentry *ovl_do_tmpfile(struct dentry *dentry, umode_t mode)
 {
 	struct dentry *ret = vfs_tmpfile(dentry, mode, 0);
-	int err = IS_ERR(ret) ? PTR_ERR(ret) : 0;
+	int err = PTR_ERR_OR_ZERO(ret);
 
 	pr_debug("tmpfile(%pd2, 0%o) = %i\n", dentry, mode, err);
 	return ret;
-- 
1.9.1