File 0019-pcm-fix-__snd_pcm_state-return-value.patch of Package alsa

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File 0019-pcm-fix-__snd_pcm_state-return-value.patch of Package alsa

From 36aff79747b23b9535e81befe8b7b2972837bce3 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Sun, 27 Dec 2020 13:29:33 +0100
Subject: [PATCH 19/33] pcm: fix __snd_pcm_state() return value

The __snd_pcm_state() must return a valid state, not an error value
when the plugin callback is not defined. Use the first state
SND_PCM_STATE_OPEN - the other functions will return the error
code depending on this state.

Link: https://lore.kernel.org/alsa-devel/20201226213547.175071-10-alexhenrie24@gmail.com/
Reported-by: Alex Henrie <alexhenrie24@gmail.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 src/pcm/pcm_local.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pcm/pcm_local.h b/src/pcm/pcm_local.h
index fe77e50def28..bec5a40855dc 100644
--- a/src/pcm/pcm_local.h
+++ b/src/pcm/pcm_local.h
@@ -444,7 +444,7 @@ static inline int __snd_pcm_start(snd_pcm_t *pcm)
 static inline snd_pcm_state_t __snd_pcm_state(snd_pcm_t *pcm)
 {
 	if (!pcm->fast_ops->state)
-		return -ENOSYS;
+		return SND_PCM_STATE_OPEN;
 	return pcm->fast_ops->state(pcm->fast_op_arg);
 }
 
-- 
2.26.2

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File 0019-pcm-fix-__snd_pcm_state-return-value.patch of Package alsa

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