[PATCH] ALSA: gus: Fix some error handling paths related to get_bpos() usage

From: Christophe JAILLET
Date: Thu Oct 03 2024 - 15:34:26 EST


If get_bpos() fails, it is likely that the corresponding error code should
be returned.

Fixes: a6970bb1dd99 ("ALSA: gus: Convert to the new PCM ops")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
This patch is speculative. Review with care.
---
sound/isa/gus/gus_pcm.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/isa/gus/gus_pcm.c b/sound/isa/gus/gus_pcm.c
index bcbcaa924c12..16f9bbb43a54 100644
--- a/sound/isa/gus/gus_pcm.c
+++ b/sound/isa/gus/gus_pcm.c
@@ -364,7 +364,7 @@ static int snd_gf1_pcm_playback_copy(struct snd_pcm_substream *substream,

bpos = get_bpos(pcmp, voice, pos, len);
if (bpos < 0)
- return pos;
+ return bpos;
if (copy_from_iter(runtime->dma_area + bpos, len, src) != len)
return -EFAULT;
return playback_copy_ack(substream, bpos, len);
@@ -381,7 +381,7 @@ static int snd_gf1_pcm_playback_silence(struct snd_pcm_substream *substream,

bpos = get_bpos(pcmp, voice, pos, len);
if (bpos < 0)
- return pos;
+ return bpos;
snd_pcm_format_set_silence(runtime->format, runtime->dma_area + bpos,
bytes_to_samples(runtime, count));
return playback_copy_ack(substream, bpos, len);
--
2.46.2