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D47333.id145615.diff
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diff --git a/sys/netlink/netlink.h b/sys/netlink/netlink.h
--- a/sys/netlink/netlink.h
+++ b/sys/netlink/netlink.h
@@ -213,11 +213,11 @@
/* part of netlink(3) API */
#define NLMSG_ALIGNTO NL_ITEM_ALIGN_SIZE
#define NLMSG_ALIGN(_len) NL_ITEM_ALIGN(_len)
-#define NLMSG_HDRLEN ((int)sizeof(struct nlmsghdr))
+#define NLMSG_HDRLEN ((size_t)sizeof(struct nlmsghdr))
#define NLMSG_LENGTH(_len) ((_len) + NLMSG_HDRLEN)
#define NLMSG_SPACE(_len) NLMSG_ALIGN(NLMSG_LENGTH(_len))
#define NLMSG_DATA(_hdr) NL_ITEM_DATA(_hdr, NLMSG_HDRLEN)
-#define _NLMSG_LEN(_hdr) ((int)(_hdr)->nlmsg_len)
+#define _NLMSG_LEN(_hdr) ((size_t)(_hdr)->nlmsg_len)
#define _NLMSG_ALIGNED_LEN(_hdr) NLMSG_ALIGN(_NLMSG_LEN(_hdr))
#define NLMSG_OK(_hdr, _len) NL_ITEM_OK(_hdr, _len, NLMSG_HDRLEN, _NLMSG_LEN)
#define NLMSG_PAYLOAD(_hdr,_len) (_NLMSG_LEN(_hdr) - NLMSG_SPACE((_len)))
@@ -226,7 +226,7 @@
#else
#define NLMSG_ALIGNTO 4U
#define NLMSG_ALIGN(len) (((len) + NLMSG_ALIGNTO - 1) & ~(NLMSG_ALIGNTO - 1))
-#define NLMSG_HDRLEN ((int)NLMSG_ALIGN(sizeof(struct nlmsghdr)))
+#define NLMSG_HDRLEN ((size_t)NLMSG_ALIGN(sizeof(struct nlmsghdr)))
#endif
/*
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D47333: netlink: Do not cast to int in NLMSG_HDRLEN and _NLMSG_LEN
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