linux-kernel - [PATCH 4.19 037/195] ALSA: dummy: Fix PCM format loop in proc output

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Message-Id: <20200210122310.118526242@linuxfoundation.org>
Date:   Mon, 10 Feb 2020 04:31:35 -0800
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Takashi Iwai <tiwai@...e.de>
Subject: [PATCH 4.19 037/195] ALSA: dummy: Fix PCM format loop in proc output

From: Takashi Iwai <tiwai@...e.de>

commit 2acf25f13ebe8beb40e97a1bbe76f36277c64f1e upstream.

The loop termination for iterating over all formats should contain
SNDRV_PCM_FORMAT_LAST, not less than it.

Fixes: 9b151fec139d ("ALSA: dummy - Add debug proc file")
Cc: <stable@...r.kernel.org>
Link: https://lore.kernel.org/r/20200201080530.22390-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/drivers/dummy.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -929,7 +929,7 @@ static void print_formats(struct snd_dum
 {
 	int i;
 
-	for (i = 0; i < SNDRV_PCM_FORMAT_LAST; i++) {
+	for (i = 0; i <= SNDRV_PCM_FORMAT_LAST; i++) {
 		if (dummy->pcm_hw.formats & (1ULL << i))
 			snd_iprintf(buffer, " %s", snd_pcm_format_name(i));
 	}