[hle/service{nvdrv,apm}] fixes for TetrisSwitch (#3983)

- testriswitch submits buffers with a fence id of -1, just skip them instead of trying to process them?
- apm:u, which is removed, but hey, backwards compat never hurted
- another instance of shared_memory crashing NPad

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/3983
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Reviewed-by: CamilleLaVey <camillelavey99@gmail.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/hid_core/resources/npad/npad.cpp b/src/hid_core/resources/npad/npad.cpp
index 3a191f4539..4710342848 100644
--- a/src/hid_core/resources/npad/npad.cpp
+++ b/src/hid_core/resources/npad/npad.cpp
@@ -712,6 +712,11 @@ bool NPad::SetNpadMode(u64 aruid, Core::HID::NpadIdType& new_npad_id, Core::HID:
     }
 
     auto& controller = GetControllerFromNpadIdType(aruid, npad_id);
+    if (!controller.shared_memory) {
+        LOG_WARNING(Service_HID, "shared_memory is null for npad_id={}", npad_id);
+        return false;
+    }
+
     if (controller.shared_memory->assignment_mode != assignment_mode) {
         controller.shared_memory->assignment_mode = assignment_mode;
     }