netsniff-ng: Don't set IO prio when reading pcap file

It allows to read pcap file for users who have no permissions to set
process IO prio.

Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
Acked-by: Daniel Borkmann <borkmann@iogearbox.net>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 3 insertions, 2 deletions

diff --git a/pcap_mm.c b/pcap_mm.c
index 5b3cfcb..f7b248e 100644
--- a/pcap_mm.c
+++ b/pcap_mm.c
@@ -148,9 +148,10 @@ static void __pcap_mm_prepare_access_rd(int fd)
 	ptr_va_curr = ptr_va_start + sizeof(struct pcap_filehdr);
 }
 
-static void pcap_mm_init_once(void)
+static void pcap_mm_init_once(bool enforce_prio)
 {
-	set_ioprio_be();
+	if (enforce_prio)
+		set_ioprio_be();
 }
 
 static int pcap_mm_prepare_access(int fd, enum pcap_mode mode, bool jumbo)