net: simplify print_icmp_filter size check

The general print_getsockopt code already handles the case
of non-positive len, so this check in print_icmp_filter is superficial.

* src/net.c (print_icmp_filter): Change len type from int to usigned
int.  Do not check if len is less or equal zero.

1 files changed, 3 insertions, 6 deletions

diff --git a/src/net.c b/src/net.c
index 532ceb88f..4cd48e72e 100644
--- a/src/net.c
+++ b/src/net.c
@@ -898,16 +898,13 @@ print_tpacket_stats(struct tcb *const tcp, const kernel_ulong_t addr,
 #include "xlat/icmpfilterflags.h"
 
 static void
-print_icmp_filter(struct tcb *const tcp, const kernel_ulong_t addr, int len)
+print_icmp_filter(struct tcb *const tcp, const kernel_ulong_t addr,
+		  unsigned int len)
 {
 	struct icmp_filter filter = {};
 
-	if (len > (int) sizeof(filter))
+	if (len > sizeof(filter))
 		len = sizeof(filter);
-	else if (len <= 0) {
-		printaddr(addr);
-		return;
-	}
 
 	if (umoven_or_printaddr(tcp, addr, len, &filter))
 		return;