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-rw-r--r--lib/ipaddr.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/ipaddr.h b/lib/ipaddr.h
index 1c2399fdd..ec08fc09a 100644
--- a/lib/ipaddr.h
+++ b/lib/ipaddr.h
@@ -81,7 +81,7 @@ static inline int str2ipaddr(const char *str, struct ipaddr *ip)
return -1;
}
-static inline char *ipaddr2str(struct ipaddr *ip, char *buf, int size)
+static inline char *ipaddr2str(const struct ipaddr *ip, char *buf, int size)
{
buf[0] = '\0';
if (ip) {