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drivers/usbdev_fs: report POLLHUP when disconnect

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Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
This commit is contained in:
dongjiuzhu1 2023-11-29 10:01:23 +08:00 committed by Xiang Xiao
parent e3a6368c9a
commit 070ecb480a
1 changed files with 8 additions and 9 deletions
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17
drivers/usbdev/usbdev_fs.c
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@ -786,14 +786,6 @@ static int usbdev_fs_poll(FAR struct file *filep, FAR struct pollfd *fds,
return ret;
}
/* Check if the usbdev device has been unbind */
if (fs_ep->unlinked)
{
nxmutex_unlock(&fs_ep->lock);
return -ENOTCONN;
}
if (!setup)
{
/* This is a request to tear down the poll. */
@ -838,9 +830,16 @@ static int usbdev_fs_poll(FAR struct file *filep, FAR struct pollfd *fds,
eventset = 0;
/* Check if the usbdev device has been unbind */
if (fs_ep->unlinked)
{
eventset |= POLLHUP;
}
/* Notify the POLLIN/POLLOUT event if at least one request is available */
if (!sq_empty(&fs_ep->reqq))
else if (!sq_empty(&fs_ep->reqq))
{
if (USB_ISEPIN(fs_ep->ep->eplog))
{