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Kernel: Make UserOrKernelBuffer return KResult from read/write/memset
This allows us to simplify a whole bunch of call sites with TRY(). :^)
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29 changed files with 85 additions and 118 deletions
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@ -39,8 +39,7 @@ KResultOr<size_t> MouseDevice::read(FileDescription&, u64, UserOrKernelBuffer& b
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dbgln_if(MOUSE_DEBUG, "PS2 Mouse Read: Filter packets");
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size_t bytes_read_from_packet = min(remaining_space_in_buffer, sizeof(MousePacket));
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if (!buffer.write(&packet, nread, bytes_read_from_packet))
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return EFAULT;
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TRY(buffer.write(&packet, nread, bytes_read_from_packet));
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nread += bytes_read_from_packet;
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remaining_space_in_buffer -= bytes_read_from_packet;
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