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android_system_vold
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vold: use RAII wake locks

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Prevents wake lock leaks, e.g. b/133175847

Bug: 133175847
Test: boot blueline
Change-Id: Icda4c81e00a61adec6a12c61c329867fef284dc5
gugelfrei
Tri Vo 5 years ago
parent 2ebb5c5b96
commit 15bbe22879
4 changed files with 12 additions and 28 deletions
Show Stats Download Patch File Download Diff File

6
Benchmark.cpp
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@ -23,8 +23,8 @@
#include <android-base/logging.h>
#include <cutils/iosched_policy.h>
#include <hardware_legacy/power.h>
#include <private/android_filesystem_config.h>
#include <wakelock/wakelock.h>
#include <thread>
@ -181,7 +181,7 @@ static status_t benchmarkInternal(const std::string& rootPath,
void Benchmark(const std::string& path,
const android::sp<android::os::IVoldTaskListener>& listener) {
std::lock_guard<std::mutex> lock(kBenchmarkLock);
acquire_wake_lock(PARTIAL_WAKE_LOCK, kWakeLock);
android::wakelock::WakeLock wl{kWakeLock};
PerformanceBoost boost;
android::os::PersistableBundle extras;
@ -190,8 +190,6 @@ void Benchmark(const std::string& path,
if (listener) {
listener->onFinished(res, extras);
}
release_wake_lock(kWakeLock);
}
} // namespace vold

13
IdleMaint.cpp
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@ -29,8 +29,8 @@
#include <android-base/strings.h>
#include <android/hardware/health/storage/1.0/IStorage.h>
#include <fs_mgr.h>
#include <hardware_legacy/power.h>
#include <private/android_filesystem_config.h>
#include <wakelock/wakelock.h>
#include <dirent.h>
#include <fcntl.h>
@ -145,7 +145,7 @@ static void addFromFstab(std::list<std::string>* paths, PathTypes path_type) {
}
void Trim(const android::sp<android::os::IVoldTaskListener>& listener) {
acquire_wake_lock(PARTIAL_WAKE_LOCK, kWakeLock);
android::wakelock::WakeLock wl{kWakeLock};
// Collect both fstab and vold volumes
std::list<std::string> paths;
@ -195,7 +195,6 @@ void Trim(const android::sp<android::os::IVoldTaskListener>& listener) {
listener->onFinished(0, extras);
}
release_wake_lock(kWakeLock);
}
static bool waitForGc(const std::list<std::string>& paths) {
@ -370,7 +369,7 @@ int RunIdleMaint(const android::sp<android::os::IVoldTaskListener>& listener) {
LOG(DEBUG) << "idle maintenance started";
acquire_wake_lock(PARTIAL_WAKE_LOCK, kWakeLock);
android::wakelock::WakeLock wl{kWakeLock};
std::list<std::string> paths;
addFromFstab(&paths, PathTypes::kBlkDevice);
@ -400,13 +399,11 @@ int RunIdleMaint(const android::sp<android::os::IVoldTaskListener>& listener) {
LOG(DEBUG) << "idle maintenance completed";
release_wake_lock(kWakeLock);
return android::OK;
}
int AbortIdleMaint(const android::sp<android::os::IVoldTaskListener>& listener) {
acquire_wake_lock(PARTIAL_WAKE_LOCK, kWakeLock);
android::wakelock::WakeLock wl{kWakeLock};
std::unique_lock<std::mutex> lk(cv_m);
if (idle_maint_stat != IdleMaintStats::kStopped) {
@ -424,8 +421,6 @@ int AbortIdleMaint(const android::sp<android::os::IVoldTaskListener>& listener)
listener->onFinished(0, extras);
}
release_wake_lock(kWakeLock);
LOG(DEBUG) << "idle maintenance stopped";
return android::OK;

6
MoveStorage.cpp
Unescape View File

@ -21,8 +21,8 @@
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android-base/stringprintf.h>
#include <hardware_legacy/power.h>
#include <private/android_filesystem_config.h>
#include <wakelock/wakelock.h>
#include <thread>
@ -258,15 +258,13 @@ fail:
void MoveStorage(const std::shared_ptr<VolumeBase>& from, const std::shared_ptr<VolumeBase>& to,
const android::sp<android::os::IVoldTaskListener>& listener) {
acquire_wake_lock(PARTIAL_WAKE_LOCK, kWakeLock);
android::wakelock::WakeLock wl{kWakeLock};
android::os::PersistableBundle extras;
status_t res = moveStorageInternal(from, to, listener);
if (listener) {
listener->onFinished(res, extras);
}
release_wake_lock(kWakeLock);
}
} // namespace vold

15
cryptfs.cpp
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@ -44,13 +44,13 @@
#include <f2fs_sparseblock.h>
#include <fs_mgr.h>
#include <fscrypt/fscrypt.h>
#include <hardware_legacy/power.h>
#include <libdm/dm.h>
#include <log/log.h>
#include <logwrap/logwrap.h>
#include <openssl/evp.h>
#include <openssl/sha.h>
#include <selinux/selinux.h>
#include <wakelock/wakelock.h>
#include <ctype.h>
#include <errno.h>
@ -2007,6 +2007,7 @@ int cryptfs_enable_internal(int crypt_type, const char* passwd, int no_ui) {
off64_t previously_encrypted_upto = 0;
bool rebootEncryption = false;
bool onlyCreateHeader = false;
std::unique_ptr<android::wakelock::WakeLock> wakeLock = nullptr;
if (get_crypt_ftr_and_key(&crypt_ftr) == 0) {
if (crypt_ftr.flags & CRYPT_ENCRYPTION_IN_PROGRESS) {
@ -2073,7 +2074,7 @@ int cryptfs_enable_internal(int crypt_type, const char* passwd, int no_ui) {
* wants to keep the screen on, it can grab a full wakelock.
*/
snprintf(lockid, sizeof(lockid), "enablecrypto%d", (int)getpid());
acquire_wake_lock(PARTIAL_WAKE_LOCK, lockid);
wakeLock = std::make_unique<android::wakelock::WakeLock>(lockid);
/* The init files are setup to stop the class main and late start when
* vold sets trigger_shutdown_framework.
@ -2254,7 +2255,7 @@ int cryptfs_enable_internal(int crypt_type, const char* passwd, int no_ui) {
/* default encryption - continue first boot sequence */
property_set("ro.crypto.state", "encrypted");
property_set("ro.crypto.type", "block");
release_wake_lock(lockid);
wakeLock.reset(nullptr);
if (rebootEncryption && crypt_ftr.crypt_type != CRYPT_TYPE_DEFAULT) {
// Bring up cryptkeeper that will check the password and set it
property_set("vold.decrypt", "trigger_shutdown_framework");
@ -2291,7 +2292,6 @@ int cryptfs_enable_internal(int crypt_type, const char* passwd, int no_ui) {
} else {
/* set property to trigger dialog */
property_set("vold.encrypt_progress", "error_partially_encrypted");
release_wake_lock(lockid);
}
return -1;
}
@ -2301,14 +2301,10 @@ int cryptfs_enable_internal(int crypt_type, const char* passwd, int no_ui) {
* Set the property and return. Hope the framework can deal with it.
*/
property_set("vold.encrypt_progress", "error_reboot_failed");
release_wake_lock(lockid);
return rc;
error_unencrypted:
property_set("vold.encrypt_progress", "error_not_encrypted");
if (lockid[0]) {
release_wake_lock(lockid);
}
return -1;
error_shutting_down:
@ -2323,9 +2319,6 @@ error_shutting_down:
/* shouldn't get here */
property_set("vold.encrypt_progress", "error_shutting_down");
if (lockid[0]) {
release_wake_lock(lockid);
}
return -1;
}

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