From: Jouni Malinen <j@w1.fi>
Date: Sun, 2 Mar 2014 11:57:11 +0000 (+0200)
Subject: trace: Fix memory use on no-function name path
X-Git-Tag: hostap_2_2~698
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa0a9f536cad17763665239e43321d649c5c0bed;p=thirdparty%2Fhostap.git

trace: Fix memory use on no-function name path

bfd_demangle() call could be skipped if data.function == NULL. Make sure
the already freed aname pointer cannot be used again in such a case.

Signed-off-by: Jouni Malinen <j@w1.fi>
---

diff --git a/src/utils/trace.c b/src/utils/trace.c
index 6795d417d..94440f2f9 100644
--- a/src/utils/trace.c
+++ b/src/utils/trace.c
@@ -187,6 +187,7 @@ static void wpa_trace_bfd_addr(void *pc)
 		wpa_printf(MSG_INFO, "     %s() %s:%u",
 			   name, filename, data.line);
 		free(aname);
+		aname = NULL;
 
 		data.found = bfd_find_inliner_info(abfd, &data.filename,
 						   &data.function, &data.line);