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 <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
---
 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..96e7aa479961 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

Reply via email to