From: Jo-Philipp Wich <jow@openwrt.org>
Date: Thu, 2 Feb 2012 14:06:16 +0000 (+0000)
Subject: iwinfo: fix segmentation fault when doing two consecutive scans through wpa_supplican... 
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=33e4461db68ad3adc10ff3f497b9430763d0a1a1;p=openwrt%2Fstaging%2Fthess.git

iwinfo: fix segmentation fault when doing two consecutive scans through wpa_supplicant Based on patch by Christian Kapeller <christian.kapeller@cmotion.eu> with one minor whitespace change and updated package version.

SVN-Revision: 29992
---

diff --git a/package/iwinfo/Makefile b/package/iwinfo/Makefile
index dae7470154..4f6bc1d363 100644
--- a/package/iwinfo/Makefile
+++ b/package/iwinfo/Makefile
@@ -7,7 +7,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libiwinfo
-PKG_RELEASE:=23
+PKG_RELEASE:=24
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
 PKG_CONFIG_DEPENDS := \
diff --git a/package/iwinfo/src/iwinfo_nl80211.c b/package/iwinfo/src/iwinfo_nl80211.c
index 4f3390fdbb..e8cfb902f0 100644
--- a/package/iwinfo/src/iwinfo_nl80211.c
+++ b/package/iwinfo/src/iwinfo_nl80211.c
@@ -387,10 +387,13 @@ static char * nl80211_wpactl_info(const char *ifname, const char *cmd,
 		goto out;
 
 
-	send(sock, "ATTACH", 6, 0);
+	if (event)
+	{
+		send(sock, "ATTACH", 6, 0);
 
-	if (nl80211_wpactl_recv(sock, buffer, sizeof(buffer)) <= 0)
-		goto out;
+		if (nl80211_wpactl_recv(sock, buffer, sizeof(buffer)) <= 0)
+			goto out;
+	}
 
 
 	send(sock, cmd, strlen(cmd), 0);
@@ -405,7 +408,7 @@ static char * nl80211_wpactl_info(const char *ifname, const char *cmd,
 			break;
 		}
 
-		if ((!event && buffer[0] != '<') || strstr(buffer, event))
+		if ((!event && buffer[0] != '<') || (event && strstr(buffer, event)))
 			break;
 	}