From: Trond Myklebust <trondmy@gmail.com>
Date: Sun, 2 Feb 2020 22:57:08 +0000 (-0500)
Subject: SUNRPC: Use kmemdup_nul() in rpc_parse_scope_id()
X-Git-Tag: v5.6-rc1~29^2~8
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=7ccbddbe3e67591a02ddd20078d1241bd8fe79f3;p=linux-2.6-block.git

SUNRPC: Use kmemdup_nul() in rpc_parse_scope_id()

Using kmemdup_nul() is more efficient when the length is known.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
---

diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index d024af4be85e..8b4d72b1a066 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -175,7 +175,7 @@ static int rpc_parse_scope_id(struct net *net, const char *buf,
 		return 0;
 
 	len = (buf + buflen) - delim - 1;
-	p = kstrndup(delim + 1, len, GFP_KERNEL);
+	p = kmemdup_nul(delim + 1, len, GFP_KERNEL);
 	if (p) {
 		u32 scope_id = 0;
 		struct net_device *dev;