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authorIngo Molnar <mingo@kernel.org>2017-10-20 11:02:05 +0200
committerIngo Molnar <mingo@kernel.org>2017-10-20 11:02:05 +0200
commitca4b9c3b743da39a6e0756a5c68edb35f6fc5e53 (patch)
tree95ce0819f92e25bc4d768ab13cee1f385a83a7b2 /drivers/usb/serial/console.c
parenta30b85df7d599f626973e9cd3056fe755bd778e0 (diff)
parent275d34b82561e695339b782950d49c386169dae3 (diff)
downloadlinux-ca4b9c3b743da39a6e0756a5c68edb35f6fc5e53.tar.bz2
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/usb/serial/console.c')
-rw-r--r--drivers/usb/serial/console.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index fdf89800ebc3..43a862a90a77 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -186,6 +186,7 @@ static int usb_console_setup(struct console *co, char *options)
tty_kref_put(tty);
reset_open_count:
port->port.count = 0;
+ info->port = NULL;
usb_autopm_put_interface(serial->interface);
error_get_interface:
usb_serial_put(serial);
@@ -265,7 +266,7 @@ static struct console usbcons = {
void usb_serial_console_disconnect(struct usb_serial *serial)
{
- if (serial->port[0] == usbcons_info.port) {
+ if (serial->port[0] && serial->port[0] == usbcons_info.port) {
usb_serial_console_exit();
usb_serial_put(serial);
}