+ init-simplify-early_hostname.patch added to mm-nonmm-unstable branch

+ init-simplify-early_hostname.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Subject: init: simplify early_hostname()
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     init-simplify-early_hostname.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/init-simplify-early_hostname.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Thorsten Blum <blum@kernel.org>
Subject: init: simplify early_hostname()
Date: Fri, 28 Aug 2026 19:43:37 +0200

Inline the strscpy() check and remove the redundant arglen variable.  Use
%zu to format the unsigned maxlen argument and add a newline after the
truncation warning.

Link: https://lore.kernel.org/20260828174337.609333-2-blum@kernel.org
Signed-off-by: Thorsten Blum <blum@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 init/version.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

--- a/init/version.c~init-simplify-early_hostname
+++ a/init/version.c
@@ -21,16 +21,14 @@ static int __init early_hostname(char *a
 {
 	size_t bufsize = sizeof(init_uts_ns.name.nodename);
 	size_t maxlen  = bufsize - 1;
-	ssize_t arglen;
 
 	if (!arg)
 		return -EINVAL;
 
-	arglen = strscpy(init_uts_ns.name.nodename, arg, bufsize);
-	if (arglen < 0) {
-		pr_warn("hostname parameter exceeds %zd characters and will be truncated",
+	if (strscpy(init_uts_ns.name.nodename, arg, bufsize) < 0)
+		pr_warn("hostname parameter exceeds %zu characters and will be truncated\n",
 			maxlen);
-	}
+
 	return 0;
 }
 early_param("hostname", early_hostname);
_

Patches currently in -mm which might be from blum@kernel.org are

init-fix-early-boot-crash-with-bare-hostname-parameter.patch
init-simplify-early_hostname.patch