From: Eric Leblond <eric@regit.org>
Date: Tue, 26 Apr 2016 17:46:19 +0000 (+0200)
Subject: af-packet: print errno on mmap error
X-Git-Tag: suricata-3.1RC1~95
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=88f5d7d16605d43afb44d134facf26239af48b45;p=thirdparty%2Fsuricata.git

af-packet: print errno on mmap error
---

diff --git a/src/source-af-packet.c b/src/source-af-packet.c
index f6b6237f68..0581f00e72 100644
--- a/src/source-af-packet.c
+++ b/src/source-af-packet.c
@@ -1751,7 +1751,8 @@ static int AFPSetupRing(AFPThreadVars *ptv, char *devname)
     ring_buf = mmap(0, ring_buflen, PROT_READ|PROT_WRITE,
             mmap_flag, ptv->socket, 0);
     if (ring_buf == MAP_FAILED) {
-        SCLogError(SC_ERR_MEM_ALLOC, "Unable to mmap");
+        SCLogError(SC_ERR_MEM_ALLOC, "Unable to mmap, error %s",
+                   strerror(errno));
         goto mmap_err;
     }
 #ifdef HAVE_TPACKET_V3