From: David Laight <david.laight.linux@gmail.com>
Date: Sat, 6 Jun 2026 20:27:41 +0000 (+0100)
Subject: fbdev: sisfb: Replace strlen() strcpy() pair with strscpy()
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=160b2ef00f2a1b066a520432282293ccec8c3b6b;p=thirdparty%2Flinux.git

fbdev: sisfb: Replace strlen() strcpy() pair with strscpy()

Use the result of strscpy() for the overflow check.

Signed-off-by: David Laight <david.laight.linux@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
---

diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c
index 84567d67f71de..95f976b49143d 100644
--- a/drivers/video/fbdev/sis/sis_main.c
+++ b/drivers/video/fbdev/sis/sis_main.c
@@ -204,8 +204,7 @@ static void sisfb_search_mode(char *name, bool quiet)
 		return;
 	}
 
-	if(strlen(name) <= 19) {
-		strcpy(strbuf1, name);
+	if (strscpy(strbuf1, name) > 0) {
 		for(i = 0; i < strlen(strbuf1); i++) {
 			if(strbuf1[i] < '0' || strbuf1[i] > '9') strbuf1[i] = ' ';
 		}