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IPC: skip empty buffer write

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prevent yuzu crash, if games, like Axiom Verge, trying to read 0 bytes from file
This commit is contained in:
mailwl 2018-06-22 11:18:23 +03:00
parent b7162c32a4
commit a27befe456
1 changed files with 5 additions and 0 deletions
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5
src/core/hle/kernel/hle_ipc.cpp
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@ -271,6 +271,11 @@ std::vector<u8> HLERequestContext::ReadBuffer(int buffer_index) const {
} }
size_t HLERequestContext::WriteBuffer(const void* buffer, size_t size, int buffer_index) const { size_t HLERequestContext::WriteBuffer(const void* buffer, size_t size, int buffer_index) const {
if (size == 0) {
NGLOG_WARNING(Core, "skip empty buffer write");
return 0;
}
const bool is_buffer_b{BufferDescriptorB().size() && BufferDescriptorB()[buffer_index].Size()}; const bool is_buffer_b{BufferDescriptorB().size() && BufferDescriptorB()[buffer_index].Size()};
const size_t buffer_size{GetWriteBufferSize(buffer_index)}; const size_t buffer_size{GetWriteBufferSize(buffer_index)};
if (size > buffer_size) { if (size > buffer_size) {