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Kernel/USB: Don't invoke async callback if transfer data size is 0

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We can't do anything valuable with such "transfer" so just discard it.
This commit is contained in:
Liav A 2023-09-29 09:35:17 +03:00 • committed by Jelle Raaijmakers
parent e7c1148ec6
commit 430e987078
1 changed files with 2 additions and 0 deletions
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2
Kernel/Bus/USB/USBTransfer.cpp
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@ -61,6 +61,8 @@ ErrorOr<void> Transfer::write_buffer(u16 len, UserOrKernelBuffer data)
void Transfer::invoke_async_callback() void Transfer::invoke_async_callback()
{ {
if (transfer_data_size() == 0)
return;
if (m_callback) if (m_callback)
m_callback(this); m_callback(this);
} }