Fix the error fix of #1147

1. change pcap_read_dead to return void.
2. let pcap_read_dead do nothing.

Signed-off-by: hopper-vul <hopper.vul@gmail.com>
(cherry picked from commit 06e7c24568b716acd77fbabc00f9e55311320247)

1 files changed, 3 insertions, 5 deletions

diff --git a/pcap.c b/pcap.c
index 3d4c76d6..f550ef99 100644
--- a/pcap.c
+++ b/pcap.c
@@ -4201,12 +4201,10 @@ pcap_read_dead(pcap_t *p, int cnt _U_, pcap_handler callback _U_,
 	return (-1);
 }
 
-static int
-pcap_breakloop_dead(pcap_t *p)
+static void
+pcap_breakloop_dead(pcap_t *p _U_)
 {
-	snprintf(p->errbuf, PCAP_ERRBUF_SIZE,
-	    "A breakloop cannot be set on a pcap_open_dead pcap_t");
-	return (-1);
+	/* A breakloop should not be set on a pcap_open_dead pcap_t. */
 }
 
 static int