libiwinfo: reset ioctl_socket fd in iwinfo_close(), fixes random failures with multiple cycles of iwinfo_finish() / iwinfo_backend()

SVN-Revision: 35471

package/network/utils/iwinfo/Makefile

@@ -1,5 +1,5 @@
 #
-# Copyright (C) 2010-2012 Jo-Philipp Wich <xm@subsignal.org>
+# Copyright (C) 2010-2013 Jo-Philipp Wich <xm@subsignal.org>
 #
 # This is free software, licensed under the GPL 2 license.
 #
@@ -7,7 +7,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=libiwinfo
-PKG_RELEASE:=38
+PKG_RELEASE:=39
 
 PKG_BUILD_DIR := $(BUILD_DIR)/$(PKG_NAME)
 PKG_CONFIG_DEPENDS := \

package/network/utils/iwinfo/src/iwinfo_utils.c

@@ -123,6 +123,8 @@ void iwinfo_close(void)
 {
 	if (ioctl_socket > -1)
 		close(ioctl_socket);
+
+	ioctl_socket = -1;
 }
 
 struct iwinfo_hardware_entry * iwinfo_hardware(struct iwinfo_hardware_id *id)