From 4aaa06b227f737da5c10feb93a6b203920d5a1e7 Mon Sep 17 00:00:00 2001 From: Curtis Malainey Date: Fri, 4 Mar 2022 14:57:31 -0600 Subject: ASoC: SOF: fix 32 signed bit overflow Shifting in a signed 32bit container past the signed bit is technically undefined behaviour. Fix by using unsigned types. Found via cppcheck. Reviewed-by: Ranjani Sridharan Reviewed-by: Liam Girdwood Signed-off-by: Curtis Malainey Signed-off-by: Pierre-Louis Bossart Link: https://lore.kernel.org/r/20220304205733.62233-9-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown --- include/sound/sof/header.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/sound/sof') diff --git a/include/sound/sof/header.h b/include/sound/sof/header.h index b97a76bcb655..b22e925c70e2 100644 --- a/include/sound/sof/header.h +++ b/include/sound/sof/header.h @@ -31,7 +31,7 @@ /* Global Message - Generic */ #define SOF_GLB_TYPE_SHIFT 28 -#define SOF_GLB_TYPE_MASK (0xfL << SOF_GLB_TYPE_SHIFT) +#define SOF_GLB_TYPE_MASK (0xfUL << SOF_GLB_TYPE_SHIFT) #define SOF_GLB_TYPE(x) ((x) << SOF_GLB_TYPE_SHIFT) /* Command Message - Generic */ -- cgit v1.3.1