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slirp: fix unused return value, spotted by clang

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Fix clang errors like:
  CC    slirp/cksum.o
/src/qemu/slirp/cksum.c:78:3: error: expression result unused [-Wunused-value]
                REDUCE;
/src/qemu/slirp/cksum.c:45:66: note: instantiated from:

Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Blue Swirl 2010-04-18 14:27:46 +00:00
parent 156aa8981a
commit 7107944a7b
1 changed files with 2 additions and 1 deletions
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3
slirp/cksum.c
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@ -42,7 +42,8 @@
*/ */
#define ADDCARRY(x) (x > 65535 ? x -= 65535 : x) #define ADDCARRY(x) (x > 65535 ? x -= 65535 : x)
#define REDUCE {l_util.l = sum; sum = l_util.s[0] + l_util.s[1]; ADDCARRY(sum);} #define REDUCE {l_util.l = sum; sum = l_util.s[0] + l_util.s[1]; \
(void)ADDCARRY(sum);}
int cksum(struct mbuf *m, int len) int cksum(struct mbuf *m, int len)
{ {