mm/page_owner.c: 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 Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Vasyl Gomonovych <[email protected]> Acked-by: Vlastimil Babka <[email protected]> Acked-by: Michal Hocko <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
adn770 · Feb 1, 2018 · 8e33771 · 8e33771
1 parent a983b5e
commit 8e33771
Showing 1 changed file with 1 addition and 3 deletions.
diff --git a/mm/page_owner.c b/mm/page_owner.c
@@ -635,9 +635,7 @@ 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)