linux-kernel - [PATCH AUTOSEL 4.19 036/205] ASoC: meson: axg-fifo: report interrupt request failure

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Message-Id: <20191108113752.12502-36-sashal@kernel.org>
Date:   Fri,  8 Nov 2019 06:35:03 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Jerome Brunet <jbrunet@...libre.com>,
        Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>,
        linux-amlogic@...ts.infradead.org
Subject: [PATCH AUTOSEL 4.19 036/205] ASoC: meson: axg-fifo: report interrupt request failure

From: Jerome Brunet <jbrunet@...libre.com>

[ Upstream commit dadfab7272b13ca441efdb9aa9117bc669680b05 ]

Return value of request_irq() was irgnored. Fix this and report
the failure if any

Fixes: 6dc4fa179fb8 ("ASoC: meson: add axg fifo base driver")
Signed-off-by: Jerome Brunet <jbrunet@...libre.com>
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 sound/soc/meson/axg-fifo.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/meson/axg-fifo.c b/sound/soc/meson/axg-fifo.c
index 30262550e37b1..0e4f65e654c4b 100644
--- a/sound/soc/meson/axg-fifo.c
+++ b/sound/soc/meson/axg-fifo.c
@@ -203,6 +203,8 @@ static int axg_fifo_pcm_open(struct snd_pcm_substream *ss)
 
 	ret = request_irq(fifo->irq, axg_fifo_pcm_irq_block, 0,
 			  dev_name(dev), ss);
+	if (ret)
+		return ret;
 
 	/* Enable pclk to access registers and clock the fifo ip */
 	ret = clk_prepare_enable(fifo->pclk);
-- 
2.20.1