From 974283803730dc27d8f0e69399c4389565f99882 Mon Sep 17 00:00:00 2001
From: InterLinked1 <24227567+InterLinked1@users.noreply.github.com>
Date: Sun, 3 Aug 2025 11:55:05 -0400
Subject: [PATCH] dahdi_base.c: Avoid unnecessary strlen call when with
 strncat.

It is not necessary to call strlen on the destination buffer
when calling strncat.

Resolves: #89
---
 drivers/dahdi/dahdi-base.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/dahdi/dahdi-base.c b/drivers/dahdi/dahdi-base.c
index 87177a69..ae90c512 100644
--- a/drivers/dahdi/dahdi-base.c
+++ b/drivers/dahdi/dahdi-base.c
@@ -5402,14 +5402,12 @@ static int dahdi_ioctl_get_version(unsigned long data)
 			 */
 			 continue;
 		}
-		strncat(vi.echo_canceller + strlen(vi.echo_canceller),
-			ec_name, space);
+		strncat(vi.echo_canceller, ec_name, space);
 		space -= strlen(ec_name);
 		if (space < 1)
 			break;
 		if (cur->list.next && (cur->list.next != &ecfactory_list)) {
-			strncat(vi.echo_canceller + strlen(vi.echo_canceller),
-				", ", space);
+			strncat(vi.echo_canceller, ", ", space);
 			space -= 2;
 			if (space < 1)
 				break;