queue-5.10/net-ipconfig-remove-outdated-comment-and-indent-code.patch

From 2eda80e38453d1abd02e3a41c4f4bcffcaf35f46 Mon Sep 17 00:00:00 2001
From: Sasha Levin <sashal@kernel.org>
Date: Tue, 29 Sep 2026 22:38:38 -0400
Subject: net: ipconfig: Remove outdated comment and indent code block

From: Thorsten Blum <thorsten.blum@linux.dev>

[ Upstream commit e405b3c9d4aaa10972525fe2ea5cf94224020561 ]

The comment has been around ever since commit 1da177e4c3f4
("Linux-2.6.12-rc2") and can be removed. Remove it and indent the code
block accordingly.

Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Link: https://patch.msgid.link/20260109121128.170020-2-thorsten.blum@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Stable-dep-of: e47a1958e12a ("net: ipconfig: bound DHCP option construction")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 net/ipv4/ipconfig.c | 89 +++++++++++++++++++++------------------------
 1 file changed, 42 insertions(+), 47 deletions(-)

diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 213a1c91507d9..986d469651d2e 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -652,8 +652,18 @@ static const u8 ic_bootp_cookie[4] = { 99, 130, 83, 99 };
 static void __init
 ic_dhcp_init_options(u8 *options, struct ic_device *d)
 {
-	u8 mt = ((ic_servaddr == NONE)
-		 ? DHCPDISCOVER : DHCPREQUEST);
+	static const u8 ic_req_params[] = {
+		1,	/* Subnet mask */
+		3,	/* Default gateway */
+		6,	/* DNS server */
+		12,	/* Host name */
+		15,	/* Domain name */
+		17,	/* Boot path */
+		26,	/* MTU */
+		40,	/* NIS domain name */
+		42,	/* NTP servers */
+	};
+	u8 mt = (ic_servaddr == NONE) ? DHCPDISCOVER : DHCPREQUEST;
 	u8 *e = options;
 	int len;
 
@@ -678,51 +688,36 @@ ic_dhcp_init_options(u8 *options, struct ic_device *d)
 		e += 4;
 	}
 
-	/* always? */
-	{
-		static const u8 ic_req_params[] = {
-			1,	/* Subnet mask */
-			3,	/* Default gateway */
-			6,	/* DNS server */
-			12,	/* Host name */
-			15,	/* Domain name */
-			17,	/* Boot path */
-			26,	/* MTU */
-			40,	/* NIS domain name */
-			42,	/* NTP servers */
-		};
-
-		*e++ = 55;	/* Parameter request list */
-		*e++ = sizeof(ic_req_params);
-		memcpy(e, ic_req_params, sizeof(ic_req_params));
-		e += sizeof(ic_req_params);
-
-		if (ic_host_name_set) {
-			*e++ = 12;	/* host-name */
-			len = strlen(utsname()->nodename);
-			*e++ = len;
-			memcpy(e, utsname()->nodename, len);
-			e += len;
-		}
-		if (*vendor_class_identifier) {
-			pr_info("DHCP: sending class identifier \"%s\"\n",
-				vendor_class_identifier);
-			*e++ = 60;	/* Class-identifier */
-			len = strlen(vendor_class_identifier);
-			*e++ = len;
-			memcpy(e, vendor_class_identifier, len);
-			e += len;
-		}
-		len = strlen(dhcp_client_identifier + 1);
-		/* the minimum length of identifier is 2, include 1 byte type,
-		 * and can not be larger than the length of options
-		 */
-		if (len >= 1 && len < 312 - (e - options) - 1) {
-			*e++ = 61;
-			*e++ = len + 1;
-			memcpy(e, dhcp_client_identifier, len + 1);
-			e += len + 1;
-		}
+	*e++ = 55;	/* Parameter request list */
+	*e++ = sizeof(ic_req_params);
+	memcpy(e, ic_req_params, sizeof(ic_req_params));
+	e += sizeof(ic_req_params);
+
+	if (ic_host_name_set) {
+		*e++ = 12;	/* host-name */
+		len = strlen(utsname()->nodename);
+		*e++ = len;
+		memcpy(e, utsname()->nodename, len);
+		e += len;
+	}
+	if (*vendor_class_identifier) {
+		pr_info("DHCP: sending class identifier \"%s\"\n",
+			vendor_class_identifier);
+		*e++ = 60;	/* Class-identifier */
+		len = strlen(vendor_class_identifier);
+		*e++ = len;
+		memcpy(e, vendor_class_identifier, len);
+		e += len;
+	}
+	len = strlen(dhcp_client_identifier + 1);
+	/* the minimum length of identifier is 2, include 1 byte type,
+	 * and can not be larger than the length of options
+	 */
+	if (len >= 1 && len < 312 - (e - options) - 1) {
+		*e++ = 61;
+		*e++ = len + 1;
+		memcpy(e, dhcp_client_identifier, len + 1);
+		e += len + 1;
 	}
 
 	*e++ = 255;	/* End of the list */
-- 
2.53.0