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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 Sakamoto <o-takashi@sakamocchi.jp>,
        Takashi Iwai <tiwai@suse.de>
Subject: [PATCH 4.4 27/46] ALSA: bebob: Fix prototype of helper function to return negative value
Date:   Mon,  4 Nov 2019 22:44:58 +0100
Message-Id: <20191104211859.776154553@linuxfoundation.org>
In-Reply-To: <20191104211830.912265604@linuxfoundation.org>
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From: Takashi Sakamoto <o-takashi@sakamocchi.jp>

commit f2bbdbcb075f3977a53da3bdcb7cd460bc8ae5f2 upstream.

A helper function of ALSA bebob driver returns negative value in a
function which has a prototype to return unsigned value.

This commit fixes it by changing the prototype.

Fixes: eb7b3a056cd8 ("ALSA: bebob: Add commands and connections/streams management")
Cc: <stable@vger.kernel.org> # v3.16+
Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20191026030620.12077-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 sound/firewire/bebob/bebob_stream.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/sound/firewire/bebob/bebob_stream.c
+++ b/sound/firewire/bebob/bebob_stream.c
@@ -253,8 +253,7 @@ end:
 	return err;
 }
 
-static unsigned int
-map_data_channels(struct snd_bebob *bebob, struct amdtp_stream *s)
+static int map_data_channels(struct snd_bebob *bebob, struct amdtp_stream *s)
 {
 	unsigned int sec, sections, ch, channels;
 	unsigned int pcm, midi, location;