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path: root/drivers/tty/serial/sunzilog.c
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Diffstat (limited to 'drivers/tty/serial/sunzilog.c')
-rw-r--r--drivers/tty/serial/sunzilog.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/tty/serial/sunzilog.c b/drivers/tty/serial/sunzilog.c
index 27669ff3d446..813ef8eb8eff 100644
--- a/drivers/tty/serial/sunzilog.c
+++ b/drivers/tty/serial/sunzilog.c
@@ -388,7 +388,7 @@ sunzilog_receive_chars(struct uart_sunzilog_port *up,
else if (r1 & CRC_ERR)
flag = TTY_FRAME;
}
- if (uart_handle_sysrq_char(&up->port, ch))
+ if (uart_handle_sysrq_char(&up->port, ch) || !port)
continue;
if (up->port.ignore_status_mask == 0xff ||