[PATCH] init: Simplify early_hostname()

[Thorsten Blum <blum@kernel.org>]

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.

Signed-off-by: Thorsten Blum <blum@kernel.org>
---
 init/version.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/init/version.c b/init/version.c
index 0bd5c45aabc4..cbae11b6f768 100644
--- a/init/version.c
+++ b/init/version.c
@@ -21,16 +21,14 @@ static int __init early_hostname(char *arg)
 {
 	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);