slirp: fix unused return value, spotted by clang

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 <[email protected]>
kvaneesh · Apr 18, 2010 · 7107944 · 7107944
1 parent 156aa89
commit 7107944
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/slirp/cksum.c b/slirp/cksum.c
@@ -42,7 +42,8 @@
  */
 
 #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)
 {