From: Jerome Brunet <jbrunet@baylibre.com>
Date: Mon, 27 Aug 2018 14:15:29 +0000 (+0200)
Subject: ASoC: meson: axg-fifo: report interrupt request failure
X-Git-Tag: v5.4.17~4954^2~1^2^2~202
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=dadfab7272b13ca441efdb9aa9117bc669680b05;p=arm%2Flinux.git

ASoC: meson: axg-fifo: report interrupt request failure

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@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/meson/axg-fifo.c b/sound/soc/meson/axg-fifo.c
index 30262550e37b..0e4f65e654c4 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);