[PATCH] ASoC: fsl_rpmsg: initialise pointers to NULL

[Shengjiu Wang <shengjiu.wang@xxxxxxx>]

This fixes the following sparse warnings:

sound/soc/fsl/fsl_rpmsg.c:45:45: sparse: sparse: Using plain integer as NULL pointer
sound/soc/fsl/fsl_rpmsg.c:45:56: sparse: sparse: Using plain integer as NULL pointer

Fixes: b73d9e6225e8 ("ASoC: fsl_rpmsg: Add CPU DAI driver for audio base on rpmsg")
Signed-off-by: Shengjiu Wang <shengjiu.wang@xxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
---
 sound/soc/fsl/fsl_rpmsg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/fsl/fsl_rpmsg.c b/sound/soc/fsl/fsl_rpmsg.c
index 2d09d8850e2c..ea5c973e2e84 100644
--- a/sound/soc/fsl/fsl_rpmsg.c
+++ b/sound/soc/fsl/fsl_rpmsg.c
@@ -42,7 +42,7 @@ static int fsl_rpmsg_hw_params(struct snd_pcm_substream *substream,
 			       struct snd_soc_dai *dai)
 {
 	struct fsl_rpmsg *rpmsg = snd_soc_dai_get_drvdata(dai);
-	struct clk *p = rpmsg->mclk, *pll = 0, *npll = 0;
+	struct clk *p = rpmsg->mclk, *pll = NULL, *npll = NULL;
 	u64 rate = params_rate(params);
 	int ret = 0;
 
-- 
2.17.1