Hi Felipe, > LDISCs shouldn't call tty->ops->write() from within > ->write_wakeup(). > > ->write_wakeup() is called with port lock taken and > IRQs disabled, tty->ops->write() will try to acquire > the same port lock and we will deadlock. > > Reviewed-by: Peter Hurley <[email protected]> > Reported-by: Huang Shijie <[email protected]> > Signed-off-by: Felipe Balbi <[email protected]> > --- > drivers/bluetooth/hci_ldisc.c | 24 +++++++++++++++++++----- > drivers/bluetooth/hci_uart.h | 1 + > 2 files changed, 20 insertions(+), 5 deletions(-)
I hope these are not causing any conflicts with bluetooth-next / linux-next. If not, then I can let Greg take it through tty-next tree. Acked-by: Marcel Holtmann <[email protected]> Regards Marcel -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
