Commit de5b2c9d authored Jul 23, 2020 by Johan Hovold Committed by Greg Kroah-Hartman Jul 24, 2020

serial: pmac_zilog: add sparse context annotation

Add sparse context annotation to the receive handler, which releases and
reacquires the port lock, to silence a sparse warning:

drivers/tty/serial/pmac_zilog.c:255:36: sparse: sparse: context imbalance in 'pmz_receive_chars' - unexpected unlock

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200723123327.5843-2-johan@kernel.org

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 118499e7

drivers/tty/serial/pmac_zilog.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -213,6 +213,7 @@ static void pmz_interrupt_control(struct uart_pmac_port *uap, int enable)
		}

		static bool pmz_receive_chars(struct uart_pmac_port *uap)
		__must_hold(&uap->port.lock)
		{
		struct tty_port *port;
		unsigned char ch, r1, drop, flag;