Android/frameworks_base
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Check mode/boost index before accessing cached support value

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Bug: 174243830
Test: manual
Change-Id: I2f81bcd57181791fa95d35ad52e6af2d7d9c8dcf
Merged-In: If305a4b694a9d6fcc27da8279f1f53f9fd9cb685
Merged-In: I345d9ff828021da35556f2d51da512840dda8026
This commit is contained in:
Lais Andrade
2020-12-03 21:07:27 +00:00
parent b26c104b45
commit 557838f550
1 changed files with 8 additions and 10 deletions
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18
services/core/jni/com_android_server_power_PowerManagerService.cpp
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@@ -190,19 +190,18 @@ static void setPowerBoostWithHandle(sp<IPowerAidl> handle, Boost boost, int32_t
static std::array<std::atomic<HalSupport>,
static_cast<int32_t>(Boost::DISPLAY_UPDATE_IMMINENT) + 1>
boostSupportedArray = {HalSupport::UNKNOWN};
size_t idx = static_cast<size_t>(boost);
// Quick return if boost is not supported by HAL
if (boost > Boost::DISPLAY_UPDATE_IMMINENT ||
boostSupportedArray[static_cast<int32_t>(boost)] == HalSupport::OFF) {
if (idx >= boostSupportedArray.size() || boostSupportedArray[idx] == HalSupport::OFF) {
ALOGV("Skipped setPowerBoost %s because HAL doesn't support it", toString(boost).c_str());
return;
}
if (boostSupportedArray[static_cast<int32_t>(boost)] == HalSupport::UNKNOWN) {
if (boostSupportedArray[idx] == HalSupport::UNKNOWN) {
bool isSupported = false;
handle->isBoostSupported(boost, &isSupported);
boostSupportedArray[static_cast<int32_t>(boost)] =
isSupported ? HalSupport::ON : HalSupport::OFF;
boostSupportedArray[idx] = isSupported ? HalSupport::ON : HalSupport::OFF;
if (!isSupported) {
ALOGV("Skipped setPowerBoost %s because HAL doesn't support it",
toString(boost).c_str());
@@ -230,19 +229,18 @@ static bool setPowerModeWithHandle(sp<IPowerAidl> handle, Mode mode, bool enable
// Need to increase the array if more mode supported.
static std::array<std::atomic<HalSupport>, static_cast<int32_t>(Mode::DISPLAY_INACTIVE) + 1>
modeSupportedArray = {HalSupport::UNKNOWN};
size_t idx = static_cast<size_t>(mode);
// Quick return if mode is not supported by HAL
if (mode > Mode::DISPLAY_INACTIVE ||
modeSupportedArray[static_cast<int32_t>(mode)] == HalSupport::OFF) {
if (idx >= modeSupportedArray.size() || modeSupportedArray[idx] == HalSupport::OFF) {
ALOGV("Skipped setPowerMode %s because HAL doesn't support it", toString(mode).c_str());
return false;
}
if (modeSupportedArray[static_cast<int32_t>(mode)] == HalSupport::UNKNOWN) {
if (modeSupportedArray[idx] == HalSupport::UNKNOWN) {
bool isSupported = false;
handle->isModeSupported(mode, &isSupported);
modeSupportedArray[static_cast<int32_t>(mode)] =
isSupported ? HalSupport::ON : HalSupport::OFF;
modeSupportedArray[idx] = isSupported ? HalSupport::ON : HalSupport::OFF;
if (!isSupported) {
ALOGV("Skipped setPowerMode %s because HAL doesn't support it", toString(mode).c_str());
return false;