system: fix typo in returning address length.

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

diff --git a/system.h b/system.h
index 94e0dd9..382c907 100644 (file)
--- a/system.h
+++ b/system.h
@@ -91,7 +91,7 @@ static inline int system_get_addr_family(unsigned int flags)
 
 static inline int system_get_addr_len(unsigned int flags)
 {
-       if ((flags & DEVADDR_FAMILY) == DEVADDR_INET6)
+       if ((flags & DEVADDR_FAMILY) != DEVADDR_INET6)
                return sizeof(struct in_addr);
        else
                return sizeof(struct in6_addr);