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drivers/usbdev/cdcacm.c: fix check priv->nwrq issue

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When enable CONFIG_CDCACM_DISABLE_TXBUF, dev->xmit.buffer always
take one req, so just compare CONFIG_CDCACM_NWRREQS - 1.

Signed-off-by: yangsong8 <yangsong8@xiaomi.com>
This commit is contained in:
yangsong8 2025-05-06 21:17:54 +08:00 • committed by Xiang Xiao
parent e78e152cc7
commit fe293ec9b5
1 changed files with 5 additions and 0 deletions
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5
drivers/usbdev/cdcacm.c
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@ -1485,7 +1485,12 @@ static void cdcacm_unbind(FAR struct usbdevclass_driver_s *driver,
*/
flags = enter_critical_section();
#ifdef CONFIG_CDCACM_DISABLE_TXBUF
DEBUGASSERT(priv->nwrq >= CONFIG_CDCACM_NWRREQS - 1);
#else
DEBUGASSERT(priv->nwrq == CONFIG_CDCACM_NWRREQS);
#endif
while (!sq_empty(&priv->txfree))
{