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Merge pull request #383 from kasjer/kasjer/fox-busy-flag-race-condition

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Fix endpoint busy flag race condition
This commit is contained in:
Ha Thach
2020-04-29 10:12:31 +07:00
committed by GitHub
parent b52bc894f8 63cefb7615
commit d4511186a2
1 changed files with 1 additions and 1 deletions
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2
src/device/usbd.c
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@@ -995,8 +995,8 @@ bool usbd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
TU_LOG2(" Queue EP %02X with %u bytes ... ", ep_addr, total_bytes); TU_LOG2(" Queue EP %02X with %u bytes ... ", ep_addr, total_bytes);
TU_VERIFY( dcd_edpt_xfer(rhport, ep_addr, buffer, total_bytes) );
_usbd_dev.ep_status[epnum][dir].busy = true; _usbd_dev.ep_status[epnum][dir].busy = true;
TU_VERIFY_HDLR( dcd_edpt_xfer(rhport, ep_addr, buffer, total_bytes), _usbd_dev.ep_status[epnum][dir].busy = false);
TU_LOG2("OK\r\n"); TU_LOG2("OK\r\n");