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qcacld-3.0: Detect leaks on transition to driver-closed

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Currently, resource leak detection happens when the driver module is
unloaded. Instead move as much leak detection as possible to when the
driver transitions back into the closed state. This better supports
load-once-never-unload and built-in driver configurations.

Change-Id: I88be641948ffa4fff397a8eae40cf3b05c543673
CRs-Fixed: 2113606
This commit is contained in:
Dustin Brown 2017-12-06 15:56:50 -08:00 • committed by snandini
commit 4bc0a62828
1 changed files with 21 additions and 3 deletions
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24
core/hdd/src/wlan_hdd_main.c
View file

@ -57,6 +57,7 @@
#include "wlan_hdd_request_manager.h"
#include "qdf_types.h"
#include "qdf_trace.h"
#include "qdf_debug_domain.h"
#include <cdp_txrx_peer_ops.h>
#include <cdp_txrx_misc.h>
#include <cdp_txrx_stats.h>
@ -2285,6 +2286,10 @@ static void hdd_nan_register_callbacks(struct hdd_context *hdd_ctx)
}
#endif
static void hdd_check_for_leaks(void)
{
}
/**
* hdd_wlan_start_modules() - Single driver state machine for starting modules
* @hdd_ctx: HDD context
@ -2333,6 +2338,8 @@ int hdd_wlan_start_modules(struct hdd_context *hdd_ctx,
unint = true;
/* Fall through dont add break here */
case DRIVER_MODULES_CLOSED:
qdf_debug_domain_set(QDF_DEBUG_DOMAIN_ACTIVE);
if (!reinit && !unint) {
ret = pld_power_on(qdf_dev->dev);
if (ret) {
@ -2500,6 +2507,12 @@ power_down:
release_lock:
hdd_ctx->start_modules_in_progress = false;
mutex_unlock(&hdd_ctx->iface_change_lock);
/* many adapter resources are not freed by design in SSR case */
if (!reinit)
hdd_check_for_leaks();
qdf_debug_domain_set(QDF_DEBUG_DOMAIN_INIT);
EXIT();
return ret;
@ -9869,8 +9882,8 @@ int hdd_wlan_stop_modules(struct hdd_context *hdd_ctx, bool ftm_mode)
qdf_device_t qdf_ctx;
QDF_STATUS qdf_status;
int ret = 0;
bool is_idle_stop = !cds_is_driver_unloading() &&
!cds_is_driver_recovering();
bool is_recovery_stop = cds_is_driver_recovering();
bool is_idle_stop = !cds_is_driver_unloading() && !is_recovery_stop;
int active_threads;
ENTER();
@ -10001,6 +10014,11 @@ int hdd_wlan_stop_modules(struct hdd_context *hdd_ctx, bool ftm_mode)
ret);
}
/* many adapter resources are not freed by design in SSR case */
if (!is_recovery_stop)
hdd_check_for_leaks();
qdf_debug_domain_set(QDF_DEBUG_DOMAIN_INIT);
/* Once the firmware sequence is completed reset this flag */
hdd_ctx->imps_enabled = false;
hdd_ctx->driver_status = DRIVER_MODULES_CLOSED;
@ -10011,10 +10029,10 @@ done:
mutex_unlock(&hdd_ctx->iface_change_lock);
hdd_alert("stop WLAN module: exit driver status=%d",
hdd_ctx->driver_status);
EXIT();
return ret;
}