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USB host CDC/ACM fixes. Still kind of buggy

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This commit is contained in:
Gregory Nutt 2015-05-08 10:58:41 -06:00
parent b8483aea40
commit 780c81f130
1 changed files with 4 additions and 4 deletions
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8
arch/arm/src/lpc17xx/lpc17_usbhost.c
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@ -3220,15 +3220,15 @@ static int lpc17_cancel(FAR struct usbhost_driver_s *drvr, usbhost_ep_t ep)
irqstate_t flags;
int ret = OK;
DEBUGASSERT(ed != NULL);
/* These first steps must be atomic as possible */
flags = irqsave();
flags = irqsave();
/* It might be possible for no transfer to be in progress */
/* It is possible there there is no transfer to be in progress */
DEBUGASSERT(ed != NULL && ed->xfrinfo != NULL);
xfrinfo = ed->xfrinfo;
if (xfrinfo)
{
/* It would be an usage error to use the interface to try to cancel a