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Diffstat (limited to 'inet/netinet/icmp6.h')
-rw-r--r--inet/netinet/icmp6.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/inet/netinet/icmp6.h b/inet/netinet/icmp6.h
index a75722887d..5fed0fbca1 100644
--- a/inet/netinet/icmp6.h
+++ b/inet/netinet/icmp6.h
@@ -85,16 +85,16 @@ struct icmp6_hdr
 #define ICMP6_PARAMPROB_OPTION        2 /* unrecognized IPv6 option */
 
 #define ICMP6_FILTER_WILLPASS(type, filterp) \
-	((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)
+	((((filterp)->icmp6_filt[(type) >> 5]) & (1U << ((type) & 31))) == 0)
 
 #define ICMP6_FILTER_WILLBLOCK(type, filterp) \
-	((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)
+	((((filterp)->icmp6_filt[(type) >> 5]) & (1U << ((type) & 31))) != 0)
 
 #define ICMP6_FILTER_SETPASS(type, filterp) \
-	((((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31))))
+	((((filterp)->icmp6_filt[(type) >> 5]) &= ~(1U << ((type) & 31))))
 
 #define ICMP6_FILTER_SETBLOCK(type, filterp) \
-	((((filterp)->icmp6_filt[(type) >> 5]) |=  (1 << ((type) & 31))))
+	((((filterp)->icmp6_filt[(type) >> 5]) |=  (1U << ((type) & 31))))
 
 #define ICMP6_FILTER_SETPASSALL(filterp) \
 	memset (filterp, 0, sizeof (struct icmp6_filter));