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-rw-r--r--proto/ospf/lsalib.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/proto/ospf/lsalib.c b/proto/ospf/lsalib.c
index 27a01485..2f52fe9a 100644
--- a/proto/ospf/lsalib.c
+++ b/proto/ospf/lsalib.c
@@ -240,7 +240,7 @@ lsasum_check(struct ospf_lsa_header *h, void *body)
c1 %= 255;
}
- x = ((length - LSA_CHECKSUM_OFFSET) * c0 - c1) % 255;
+ x = (int)((length - LSA_CHECKSUM_OFFSET) * c0 - c1) % 255;
if (x <= 0)
x += 255;
y = 510 - c0 - x;