linux-kernel - [PATCH 5.4 119/177] ALSA: fireface: fix return value in error path of isochronous resources reservation

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Message-Id: <20191216174843.080446202@linuxfoundation.org>
Date:   Mon, 16 Dec 2019 18:49:35 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Takashi Sakamoto <o-takashi@...amocchi.jp>,
        Takashi Iwai <tiwai@...e.de>
Subject: [PATCH 5.4 119/177] ALSA: fireface: fix return value in error path of isochronous resources reservation

From: Takashi Sakamoto <o-takashi@...amocchi.jp>

commit 480136343cbe89426d6c2ab74ffb4e3ee572c7ee upstream.

Even if isochronous resources reservation fails, error code doesn't return
in pcm.hw_params callback.

Cc: <stable@...r.kernel.org> #5.3+
Fixes: 55162d2bb0e8 ("ALSA: fireface: reserve/release isochronous resources in pcm.hw_params/hw_free callbacks")
Signed-off-by: Takashi Sakamoto <o-takashi@...amocchi.jp>
Link: https://lore.kernel.org/r/20191209151655.GA8090@workstation
Signed-off-by: Takashi Iwai <tiwai@...e.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/firewire/fireface/ff-pcm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/sound/firewire/fireface/ff-pcm.c
+++ b/sound/firewire/fireface/ff-pcm.c
@@ -219,7 +219,7 @@ static int pcm_hw_params(struct snd_pcm_
 		mutex_unlock(&ff->mutex);
 	}
 
-	return 0;
+	return err;
 }
 
 static int pcm_hw_free(struct snd_pcm_substream *substream)