[PATCH 4.14 64/95] ALSA: bebob: Fix prototype of helper function to return negative value

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From: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>

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@xxxxxxxxxxxxxxx> # v3.16+
Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20191026030620.12077-1-o-takashi@xxxxxxxxxxxxx
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 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;





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