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ASoC: SOF: fix 32 signed bit overflow

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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 <ranjani.sridharan@linux.intel.com>
Reviewed-by: Liam Girdwood <liam.r.girdwood@intel.com>
Signed-off-by: Curtis Malainey <cujomalainey@chromium.org>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220304205733.62233-9-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Curtis Malainey 2022-03-04 14:57:31 -06:00 committed by Mark Brown
parent 8e85cab858
commit 4aaa06b227
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 2 additions and 2 deletions
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2
include/sound/sof/header.h
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@ -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 */

2
include/uapi/sound/sof/abi.h
View File

@ -27,7 +27,7 @@
/* SOF ABI version major, minor and patch numbers */
#define SOF_ABI_MAJOR 3
#define SOF_ABI_MINOR 19
#define SOF_ABI_PATCH 0
#define SOF_ABI_PATCH 1
/* SOF ABI version number. Format within 32bit word is MMmmmppp */
#define SOF_ABI_MAJOR_SHIFT 24