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test: Add WPA_TRACE reference check for driver ctx

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This will catch too early freeing of the context pointer before the
driver wrapper has been deinitialized.
This commit is contained in:
Jouni Malinen 2009-12-27 21:20:25 +02:00
parent 83922c2d34
commit f78feb6a72
1 changed files with 10 additions and 6 deletions
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16
src/drivers/driver_test.c
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@ -18,7 +18,7 @@
#include <winsock2.h> #include <winsock2.h>
#endif /* CONFIG_NATIVE_WINDOWS */ #endif /* CONFIG_NATIVE_WINDOWS */
#include "includes.h" #include "utils/includes.h"
#ifndef CONFIG_NATIVE_WINDOWS #ifndef CONFIG_NATIVE_WINDOWS
#include <sys/un.h> #include <sys/un.h>
@ -27,12 +27,13 @@
#define DRIVER_TEST_UNIX #define DRIVER_TEST_UNIX
#endif /* CONFIG_NATIVE_WINDOWS */ #endif /* CONFIG_NATIVE_WINDOWS */
#include "common.h" #include "utils/common.h"
#include "driver.h" #include "utils/eloop.h"
#include "l2_packet/l2_packet.h" #include "utils/trace.h"
#include "eloop.h"
#include "crypto/sha1.h"
#include "common/ieee802_11_defs.h" #include "common/ieee802_11_defs.h"
#include "crypto/sha1.h"
#include "l2_packet/l2_packet.h"
#include "driver.h"
struct test_client_socket { struct test_client_socket {
@ -66,6 +67,7 @@ struct wpa_driver_test_global {
struct wpa_driver_test_data { struct wpa_driver_test_data {
struct wpa_driver_test_global *global; struct wpa_driver_test_global *global;
void *ctx; void *ctx;
WPA_TRACE_REF(ctx);
char ifname[IFNAMSIZ + 1]; char ifname[IFNAMSIZ + 1];
u8 own_addr[ETH_ALEN]; u8 own_addr[ETH_ALEN];
int test_socket; int test_socket;
@ -1128,6 +1130,7 @@ static struct wpa_driver_test_data * test_alloc_data(void *ctx,
} }
drv->ctx = ctx; drv->ctx = ctx;
wpa_trace_add_ref(drv, ctx, ctx);
os_strlcpy(drv->ifname, ifname, IFNAMSIZ); os_strlcpy(drv->ifname, ifname, IFNAMSIZ);
/* Generate a MAC address to help testing with multiple STAs */ /* Generate a MAC address to help testing with multiple STAs */
@ -1972,6 +1975,7 @@ static void wpa_driver_test_deinit(void *priv)
for (i = 0; i < MAX_SCAN_RESULTS; i++) for (i = 0; i < MAX_SCAN_RESULTS; i++)
os_free(drv->scanres[i]); os_free(drv->scanres[i]);
os_free(drv->probe_req_ie); os_free(drv->probe_req_ie);
wpa_trace_remove_ref(drv, ctx, drv->ctx);
os_free(drv); os_free(drv);
} }