[PATCH AUTOSEL 4.19 047/172] ASoC: meson: add missing free_irq() in error path
From: "Pavel Machek (CIP)" pavel@denx.de
[ Upstream commit 3b8a299a58b2afce464ae11324b59dcf0f1d10a7 ]
free_irq() is missing in case of error, fix that.
Signed-off-by: Pavel Machek (CIP) pavel@denx.de Reviewed-by: Jerome Brunet jbrunet@baylibre.com
Link: https://lore.kernel.org/r/20200606153103.GA17905@amd Signed-off-by: Mark Brown broonie@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- sound/soc/meson/axg-fifo.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/sound/soc/meson/axg-fifo.c b/sound/soc/meson/axg-fifo.c index 0e4f65e654c4..b229c182b7c3 100644 --- a/sound/soc/meson/axg-fifo.c +++ b/sound/soc/meson/axg-fifo.c @@ -209,7 +209,7 @@ static int axg_fifo_pcm_open(struct snd_pcm_substream *ss) /* Enable pclk to access registers and clock the fifo ip */ ret = clk_prepare_enable(fifo->pclk); if (ret) - return ret; + goto free_irq;
/* Setup status2 so it reports the memory pointer */ regmap_update_bits(fifo->map, FIFO_CTRL1, @@ -229,8 +229,14 @@ static int axg_fifo_pcm_open(struct snd_pcm_substream *ss) /* Take memory arbitror out of reset */ ret = reset_control_deassert(fifo->arb); if (ret) - clk_disable_unprepare(fifo->pclk); + goto free_clk; + + return 0;
+free_clk: + clk_disable_unprepare(fifo->pclk); +free_irq: + free_irq(fifo->irq, ss); return ret; }
Hi!
From: "Pavel Machek (CIP)" pavel@denx.de
[ Upstream commit 3b8a299a58b2afce464ae11324b59dcf0f1d10a7 ]
free_irq() is missing in case of error, fix that.
Signed-off-by: Pavel Machek (CIP) pavel@denx.de Reviewed-by: Jerome Brunet jbrunet@baylibre.com
Link: https://lore.kernel.org/r/20200606153103.GA17905@amd Signed-off-by: Mark Brown broonie@kernel.org
Notice that the bug this fixes is theoretical (found by code review) and the fix itself was not tested by me as I don't have the hardware.
It may be good idea to for mainline to test the change a bit...
Best regards, Pavel
participants (2)
-
Pavel Machek
-
Sasha Levin