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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2022/08/29 11:40:39 UTC

[GitHub] [incubator-nuttx] eenurkka opened a new pull request, #6951: risc-v/mpfs: usb: fix infinite loop issue

eenurkka opened a new pull request, #6951:
URL: https://github.com/apache/incubator-nuttx/pull/6951

   mpfs_write_tx_fifo() gets stuck in the following case:
     - CDCACM is used
     - ttyACM0 is opened and then closed from the remote end,
       such as Linux or Windows
     - data is written into ttyACM0 from NuttX
     - tx fifo will never get empty and the system is stuck
   
   Fix this by issuing an error code if the transmit fifo doesn't
   proceed as expected. The error code is then propagated into
   higher level keeping the system functional.
   
   Signed-off-by: Eero Nurkkala <ee...@offcode.fi>
   
   ## Summary
   
   MPFS CDCACM malfunctions in certain cases
   
   ## Impact
   
   MPFS USB
   
   ## Testing
   
   Polarfire MPFS kit, USB connected to Linux Ubuntu 22.04 or Windows 10


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[GitHub] [incubator-nuttx] xiaoxiang781216 merged pull request #6951: risc-v/mpfs: usb: fix infinite loop issue

Posted by GitBox <gi...@apache.org>.

xiaoxiang781216 merged PR #6951:
URL: https://github.com/apache/incubator-nuttx/pull/6951


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