From 0d1c7664ed2044048d5ed790b943affa296bc3a4 Mon Sep 17 00:00:00 2001
From: Julian Wiedmann <jwi@linux.ibm.com>
Date: Tue, 19 May 2020 21:10:10 +0200
Subject: net/af_iucv: replace open-coded U16_MAX
Improve the readability of a range check.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/iucv/af_iucv.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index 84bd18fea1d6..b02470a04c50 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -16,6 +16,7 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/types.h>
+#include <linux/limits.h>
#include <linux/list.h>
#include <linux/errno.h>
#include <linux/kernel.h>
@@ -1559,7 +1560,7 @@ static int iucv_sock_setsockopt(struct socket *sock, int level, int optname,
switch (sk->sk_state) {
case IUCV_OPEN:
case IUCV_BOUND:
- if (val < 1 || val > (u16)(~0))
+ if (val < 1 || val > U16_MAX)
rc = -EINVAL;
else
iucv->msglimit = val;
--
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