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Merge "usb: gadget: cdev: Fix spinlock recursion"

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qctecmdr 2023-07-19 17:58:20 -07:00 • committed by Gerrit - the friendly Code Review server
commit 7ca4537e6c
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/gadget/function/f_cdev.c
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@ -1679,6 +1679,7 @@ static void usb_cser_notify_modem(void *fport, int ctrl_bits)
spin_lock_irqsave(&port->port_lock, flags);
port->cbits_to_modem = temp;
port->cbits_updated = true;
spin_unlock_irqrestore(&port->port_lock, flags);
/* if DTR is high, update latest modem info to laptop */
if (port->cbits_to_modem & TIOCM_DTR) {
@ -1691,7 +1692,6 @@ static void usb_cser_notify_modem(void *fport, int ctrl_bits)
cser->send_modem_ctrl_bits(cser, cbits_to_laptop);
}
spin_unlock_irqrestore(&port->port_lock, flags);
wake_up(&port->read_wq);
}