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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Takashi Iwai <tiwai@suse.de>
Subject: [PATCH 4.9 021/116] ALSA: dummy: Fix PCM format loop in proc output
Date:   Thu, 13 Feb 2020 07:19:25 -0800
Message-Id: <20200213151851.123743279@linuxfoundation.org>
In-Reply-To: <20200213151842.259660170@linuxfoundation.org>
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From: Takashi Iwai <tiwai@suse.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@vger.kernel.org>
Link: https://lore.kernel.org/r/20200201080530.22390-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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

--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -925,7 +925,7 @@ 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));
 	}