From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Tue, 22 Jan 2019 15:21:08 +0000 (+0100)
Subject: zswap: ignore debugfs_create_dir() return value
X-Git-Tag: v5.3-rc1~119^2~101
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=de2fadf566cb9277bea22993ed95cc5177280251;p=linux.git

zswap: ignore debugfs_create_dir() return value

When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Seth Jennings <sjenning@redhat.com>
Cc: linux-mm@kvack.org
Acked-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/mm/zswap.c b/mm/zswap.c
index 2412042f5550..0e22744a76cb 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -1253,8 +1253,6 @@ static int __init zswap_debugfs_init(void)
 		return -ENODEV;
 
 	zswap_debugfs_root = debugfs_create_dir("zswap", NULL);
-	if (!zswap_debugfs_root)
-		return -ENOMEM;
 
 	debugfs_create_u64("pool_limit_hit", 0444,
 			   zswap_debugfs_root, &zswap_pool_limit_hit);