usb: serial: Remove redundant NULL check before kfree

kfree on NULL pointer is a no-op.

Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 809fb329eca5f945d13c25e75f74bf79145389df..107ff9e3ddad1930842ca4660beae956f249f88c 100644 (file)
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -1252,8 +1252,7 @@ static void mos7840_close(struct usb_serial_port *port)
 
        if (mos7840_port->write_urb) {
                /* if this urb had a transfer buffer already (old tx) free it */
-               if (mos7840_port->write_urb->transfer_buffer != NULL)
-                       kfree(mos7840_port->write_urb->transfer_buffer);
+               kfree(mos7840_port->write_urb->transfer_buffer);
                usb_free_urb(mos7840_port->write_urb);
        }