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| author | Nicolas Boichat <drinkcat@google.com> | 2017-03-22 14:16:13 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2017-03-22 08:21:00 -0700 |
| commit | e9a079f1f145fd07e45aeab9911764c8b45a0b10 (patch) | |
| tree | 3e4771ba3dde9dc8af39e716c0f789d873c3db2f | |
| parent | f55d659c0804320b82975e4a23bc9fa716d7242e (diff) | |
| download | chrome-ec-e9a079f1f145fd07e45aeab9911764c8b45a0b10.tar.gz | |
chip/stm32/usb-stream: Fix rx_read queue space comparison
There is no reason to reject the incoming USB packet if its
size equals the amount of space in the queue.
BRANCH=none
BUG=b:35587171
TEST=usb_updater2 works fine, even with 64-byte USB packets.
Change-Id: I2e54f1a758dd8a370dacdc8c2519bbd91e9cb4e5
Reviewed-on: https://chromium-review.googlesource.com/458042
Commit-Ready: Nicolas Boichat <drinkcat@chromium.org>
Tested-by: Nicolas Boichat <drinkcat@chromium.org>
Reviewed-by: Vincent Palatin <vpalatin@chromium.org>
| -rw-r--r-- | chip/stm32/usb-stream.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/chip/stm32/usb-stream.c b/chip/stm32/usb-stream.c index 45c57e6ab1..313e29e8df 100644 --- a/chip/stm32/usb-stream.c +++ b/chip/stm32/usb-stream.c @@ -24,7 +24,7 @@ static size_t rx_read(struct usb_stream_config const *config) * Only read the received USB packet if there is enough space in the * receive queue. */ - if (count >= queue_space(config->producer.queue)) + if (count > queue_space(config->producer.queue)) return 0; return queue_add_memcpy(config->producer.queue, |