ASoC: tegra: Use NULL instead of 0 for pointers

Fixes the following sparse warnings:
sound/soc/tegra/tegra30_ahub.c:583:16: warning:
Using plain integer as NULL pointer
sound/soc/tegra/tegra30_ahub.c:600:16: warning:
Using plain integer as NULL pointer

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/sound/soc/tegra/tegra30_ahub.c b/sound/soc/tegra/tegra30_ahub.c
index f354dc390a0b..dd146f10fef2 100644
--- a/sound/soc/tegra/tegra30_ahub.c
+++ b/sound/soc/tegra/tegra30_ahub.c
@@ -580,7 +580,7 @@ err_clk_put_apbif:
         clk_put(ahub->clk_apbif);
 err_clk_put_d_audio:
         clk_put(ahub->clk_d_audio);
-        ahub = 0;
+        ahub = NULL;
 err:
         return ret;
 }
@@ -597,7 +597,7 @@ static int tegra30_ahub_remove(struct platform_device *pdev)
         clk_put(ahub->clk_apbif);
         clk_put(ahub->clk_d_audio);
 
-        ahub = 0;
+        ahub = NULL;
 
         return 0;
 }