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-rw-r--r--src/core/hle/service/hid/controllers/npad.cpp12
-rw-r--r--src/core/hle/service/hid/controllers/npad.h2
-rw-r--r--src/core/hle/service/hid/errors.h1
-rw-r--r--src/core/hle/service/hid/hid.cpp6
4 files changed, 15 insertions, 6 deletions
diff --git a/src/core/hle/service/hid/controllers/npad.cpp b/src/core/hle/service/hid/controllers/npad.cpp
index 513ea485a..80eba22e8 100644
--- a/src/core/hle/service/hid/controllers/npad.cpp
+++ b/src/core/hle/service/hid/controllers/npad.cpp
@@ -758,12 +758,20 @@ Core::HID::NpadStyleTag Controller_NPad::GetSupportedStyleSet() const {
return hid_core.GetSupportedStyleTag();
}
-void Controller_NPad::SetSupportedNpadIdTypes(std::span<const u8> data) {
+Result Controller_NPad::SetSupportedNpadIdTypes(std::span<const u8> data) {
+ constexpr std::size_t max_number_npad_ids = 0xa;
const auto length = data.size();
ASSERT(length > 0 && (length % sizeof(u32)) == 0);
+ const std::size_t elements = length / sizeof(u32);
+
+ if (elements > max_number_npad_ids) {
+ return InvalidArraySize;
+ }
+
supported_npad_id_types.clear();
- supported_npad_id_types.resize(length / sizeof(u32));
+ supported_npad_id_types.resize(elements);
std::memcpy(supported_npad_id_types.data(), data.data(), length);
+ return ResultSuccess;
}
void Controller_NPad::GetSupportedNpadIdTypes(u32* data, std::size_t max_length) {
diff --git a/src/core/hle/service/hid/controllers/npad.h b/src/core/hle/service/hid/controllers/npad.h
index 1f7d33459..02cc00920 100644
--- a/src/core/hle/service/hid/controllers/npad.h
+++ b/src/core/hle/service/hid/controllers/npad.h
@@ -96,7 +96,7 @@ public:
void SetSupportedStyleSet(Core::HID::NpadStyleTag style_set);
Core::HID::NpadStyleTag GetSupportedStyleSet() const;
- void SetSupportedNpadIdTypes(std::span<const u8> data);
+ Result SetSupportedNpadIdTypes(std::span<const u8> data);
void GetSupportedNpadIdTypes(u32* data, std::size_t max_length);
std::size_t GetSupportedNpadIdTypesSize() const;
diff --git a/src/core/hle/service/hid/errors.h b/src/core/hle/service/hid/errors.h
index 76208e9a4..9585bdaf0 100644
--- a/src/core/hle/service/hid/errors.h
+++ b/src/core/hle/service/hid/errors.h
@@ -18,6 +18,7 @@ constexpr Result NpadIsDualJoycon{ErrorModule::HID, 601};
constexpr Result NpadIsSameType{ErrorModule::HID, 602};
constexpr Result InvalidNpadId{ErrorModule::HID, 709};
constexpr Result NpadNotConnected{ErrorModule::HID, 710};
+constexpr Result InvalidArraySize{ErrorModule::HID, 715};
constexpr Result InvalidPalmaHandle{ErrorModule::HID, 3302};
} // namespace Service::HID
diff --git a/src/core/hle/service/hid/hid.cpp b/src/core/hle/service/hid/hid.cpp
index f15f1a6bb..ac2c0c76d 100644
--- a/src/core/hle/service/hid/hid.cpp
+++ b/src/core/hle/service/hid/hid.cpp
@@ -1025,13 +1025,13 @@ void Hid::SetSupportedNpadIdType(Kernel::HLERequestContext& ctx) {
IPC::RequestParser rp{ctx};
const auto applet_resource_user_id{rp.Pop<u64>()};
- applet_resource->GetController<Controller_NPad>(HidController::NPad)
- .SetSupportedNpadIdTypes(ctx.ReadBuffer());
+ const auto result = applet_resource->GetController<Controller_NPad>(HidController::NPad)
+ .SetSupportedNpadIdTypes(ctx.ReadBuffer());
LOG_DEBUG(Service_HID, "called, applet_resource_user_id={}", applet_resource_user_id);
IPC::ResponseBuilder rb{ctx, 2};
- rb.Push(ResultSuccess);
+ rb.Push(result);
}
void Hid::ActivateNpad(Kernel::HLERequestContext& ctx) {