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-rw-r--r--drivers/usb/serial/omninet.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index d31f661d758c..f524cd910e2c 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -185,10 +185,12 @@ static void omninet_read_bulk_callback(struct urb *urb)
if (urb->actual_length && header->oh_len) {
struct tty_struct *tty = tty_port_tty_get(&port->port);
- tty_insert_flip_string(tty, data + OMNINET_DATAOFFSET,
+ if (tty) {
+ tty_insert_flip_string(tty, data + OMNINET_DATAOFFSET,
header->oh_len);
- tty_flip_buffer_push(tty);
- tty_kref_put(tty);
+ tty_flip_buffer_push(tty);
+ tty_kref_put(tty);
+ }
}
/* Continue trying to always read */