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authorTim Wawrzynczak <twawrzynczak@chromium.org>2020-07-14 13:30:46 -0600
committerTim Wawrzynczak <twawrzynczak@chromium.org>2020-07-22 21:06:56 +0000
commit7777e1c30b5c9d47388627c080ff86a4e043ec7e (patch)
tree08a66a6484f3267dd90a27b6c6b66efd24eae447 /src/drivers
parent60c619f6a3c0fbe2f53095a029cd07a11f5cf5e1 (diff)
ec/google/chromeec: Fix Coverity Scan error (BAD_SHIFT)
A recent Coverity scan found an issue with the way the EC_HOST_EVENT_MASK macro was being used. It was being passed values between 0 and 63, but since it is doing basically (1ULL << (value - 1)), this caused a shift of -1 when `i` is 0 and also doesn't reach the 63rd bit of the mask. This is fixed by incrementing the start and end conditions of the loop by 1, so the event mask ranges from bits 0 to 63, instead of -1 to 62. Found-by: Coverity CID 1430218 Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Change-Id: I6a7cfa64545f3d313de24407f0a91b48368f2a8a Reviewed-on: https://review.coreboot.org/c/coreboot/+/43460 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
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