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@xxxxxxxxx>
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---
drivers/tty/serial/pmac_zilog.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
index ba65a3bbd72a..b0d8f4a6f9b4 100644
--- a/drivers/tty/serial/pmac_zilog.c
+++ b/drivers/tty/serial/pmac_zilog.c
@@ -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;
--
2.26.2
