linux-kernel - [PATCH 3.16 093/136] ALSA: bebob: Fix prototype of helper function to return negative value

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Date:   Tue, 17 Dec 2019 00:47:07 +0000
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, Denis Kirjanov <kda@...ux-powerpc.org>,
        "Takashi Sakamoto" <o-takashi@...amocchi.jp>,
        "Takashi Iwai" <tiwai@...e.de>
Subject: [PATCH 3.16 093/136] ALSA: bebob: Fix prototype of helper
 function to return negative value

3.16.80-rc1 review patch.  If anyone has any objections, please let me know.

------------------

From: Takashi Sakamoto <o-takashi@...amocchi.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")
Signed-off-by: Takashi Sakamoto <o-takashi@...amocchi.jp>
Link: https://lore.kernel.org/r/20191026030620.12077-1-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 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
@@ -196,8 +196,7 @@ 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;