From 305db91d4b92a5d53826dcb6df39fc8a1f3b427e Mon Sep 17 00:00:00 2001
From: Christos Margiolis <christos@FreeBSD.org>
Date: Tue, 14 May 2024 15:42:20 +0200
Subject: [PATCH] sound: Remove ncards variable from sound_oss_card_info()

The loop counter is also the card's index, so ncards is redundant.

Sponsored by:	The FreeBSD Foundation
MFC after:	3 days
Reviewed by:	dev_submerge.ch
Differential Revision:	https://reviews.freebsd.org/D45144
---
 sys/dev/sound/pcm/sound.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/sys/dev/sound/pcm/sound.c b/sys/dev/sound/pcm/sound.c
index 3e95fd0e0ea..e66462af2a7 100644
--- a/sys/dev/sound/pcm/sound.c
+++ b/sys/dev/sound/pcm/sound.c
@@ -792,9 +792,7 @@ int
 sound_oss_card_info(oss_card_info *si)
 {
 	struct snddev_info *d;
-	int i, ncards;
-
-	ncards = 0;
+	int i;
 
 	for (i = 0; pcm_devclass != NULL &&
 	    i < devclass_get_maxunit(pcm_devclass); i++) {
@@ -802,7 +800,7 @@ sound_oss_card_info(oss_card_info *si)
 		if (!PCM_REGISTERED(d))
 			continue;
 
-		if (ncards++ != si->card)
+		if (i != si->card)
 			continue;
 
 		PCM_UNLOCKASSERT(d);