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authorStephen Lee <slee08177@gmail.com>2024-03-26 04:01:31 +0300
committerMark Brown <broonie@kernel.org>2024-03-29 01:01:43 +0300
commitfc563aa900659a850e2ada4af26b9d7a3de6c591 (patch)
tree7b1458d48482ad99af2f85c3671f5ab60610f2f6 /scripts/check-uapi.sh
parent4af565de9f8c74b9f6035924ce0d40adec211246 (diff)
downloadlinux-fc563aa900659a850e2ada4af26b9d7a3de6c591.tar.xz
ASoC: ops: Fix wraparound for mask in snd_soc_get_volsw
In snd_soc_info_volsw(), mask is generated by figuring out the index of the most significant bit set in max and converting the index to a bitmask through bit shift 1. Unintended wraparound occurs when max is an integer value with msb bit set. Since the bit shift value 1 is treated as an integer type, the left shift operation will wraparound and set mask to 0 instead of all 1's. In order to fix this, we type cast 1 as `1ULL` to prevent the wraparound. Fixes: 7077148fb50a ("ASoC: core: Split ops out of soc-core.c") Signed-off-by: Stephen Lee <slee08177@gmail.com> Link: https://msgid.link/r/20240326010131.6211-1-slee08177@gmail.com Signed-off-by: Mark Brown <broonie@kernel.org>
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