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Don't abuse the fact that -a == ~a + 1. Signed vs unsigned checkers

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complain when a is a unsigned type.  So instead use the latter here
and be on our way.

Spotted by: flexlint by way of phk
This commit is contained in:
Warner Losh 2002-10-07 22:58:24 +00:00
parent c5d5c855b7
commit 0a9e69cc6f
1 changed files with 1 additions and 1 deletions
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2
sys/dev/cardbus/cardbusreg.h
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@ -88,4 +88,4 @@
#define CARDBUS_MAPREG_MEM_ADDR(mr) \
((mr) & CARDBUS_MAPREG_MEM_ADDR_MASK)
#define CARDBUS_MAPREG_MEM_SIZE(mr) \
(CARDBUS_MAPREG_MEM_ADDR(mr) & -CARDBUS_MAPREG_MEM_ADDR(mr))
(CARDBUS_MAPREG_MEM_ADDR(mr) & (~CARDBUS_MAPREG_MEM_ADDR(mr) + 1))