[alsa-devel] [PATCH 3/3] ASoC: rockchip: Fix an uninitialized variable compile warning

Takashi Iwai tiwai at suse.de
Mon May 6 17:02:24 CEST 2019


Paper over a trivial case leading to an uninitialized variable compile
warning:
  sound/soc/rockchip/rockchip_pdm.c:179:3: warning: ‘clk_out’ may be used uninitialized in this function [-Wmaybe-uninitialized]

Fixes: 624e8e00acaf ("ASoC: rockchip: pdm: fixup pdm fractional div")
Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/soc/rockchip/rockchip_pdm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c
index 6c0f242db5ef..b9c1d8ad77c1 100644
--- a/sound/soc/rockchip/rockchip_pdm.c
+++ b/sound/soc/rockchip/rockchip_pdm.c
@@ -158,7 +158,7 @@ static int rockchip_pdm_hw_params(struct snd_pcm_substream *substream,
 	struct rk_pdm_dev *pdm = to_info(dai);
 	unsigned int val = 0;
 	unsigned int clk_rate, clk_div, samplerate;
-	unsigned int clk_src, clk_out;
+	unsigned int clk_src, clk_out = 0;
 	unsigned long m, n;
 	bool change;
 	int ret;
-- 
2.16.4



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