2017-11-27 23:10:45

by Vasyl Gomonovych

[permalink] [raw]
Subject: [PATCH] mm/page_owner: Use PTR_ERR_OR_ZERO()

Fix ptr_ret.cocci warnings:
mm/page_owner.c:639:1-3: 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 <[email protected]>
---
mm/page_owner.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/mm/page_owner.c b/mm/page_owner.c
index 4f44b95b9d1e..79ae586d1bce 100644
--- a/mm/page_owner.c
+++ b/mm/page_owner.c
@@ -636,9 +636,7 @@ static int __init pageowner_init(void)

dentry = debugfs_create_file("page_owner", S_IRUSR, NULL,
NULL, &proc_page_owner_operations);
- if (IS_ERR(dentry))
- return PTR_ERR(dentry);

- return 0;
+ return PTR_ERR_OR_ZERO(dentry);
}
late_initcall(pageowner_init)
--
1.9.1


From 1585295349015824444@xxx Tue Nov 28 07:50:58 +0000 2017
X-GM-THRID: 1585295349015824444
X-Gmail-Labels: Inbox,Category Forums,HistoricalUnread