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| author | Andreas Kling <kling@serenityos.org> | 2021-09-07 12:09:52 +0200 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2021-09-07 13:53:14 +0200 |
| commit | b4811324183cc64bd671f93c889fa5e6590e0182 (patch) | |
| tree | 083ec95329a20fbcf74f78ce8ea2bf3c9a4055b8 /Kernel/Devices/HID | |
| parent | 7bf88444993a72f588ce3bd849042c3420e222a7 (diff) | |
| download | serenity-b4811324183cc64bd671f93c889fa5e6590e0182.zip | |
Kernel: Make UserOrKernelBuffer return KResult from read/write/memset
This allows us to simplify a whole bunch of call sites with TRY(). :^)
Diffstat (limited to 'Kernel/Devices/HID')
| -rw-r--r-- | Kernel/Devices/HID/MouseDevice.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/Kernel/Devices/HID/MouseDevice.cpp b/Kernel/Devices/HID/MouseDevice.cpp index 80c4a1ef73..6ad5658900 100644 --- a/Kernel/Devices/HID/MouseDevice.cpp +++ b/Kernel/Devices/HID/MouseDevice.cpp @@ -39,8 +39,7 @@ KResultOr<size_t> MouseDevice::read(FileDescription&, u64, UserOrKernelBuffer& b dbgln_if(MOUSE_DEBUG, "PS2 Mouse Read: Filter packets"); size_t bytes_read_from_packet = min(remaining_space_in_buffer, sizeof(MousePacket)); - if (!buffer.write(&packet, nread, bytes_read_from_packet)) - return EFAULT; + TRY(buffer.write(&packet, nread, bytes_read_from_packet)); nread += bytes_read_from_packet; remaining_space_in_buffer -= bytes_read_from_packet; |