[PATCH] usb: serial: Remove redundant NULL check before kfree

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kfree on NULL pointer is a no-op.

Signed-off-by: Syam Sidhardhan <s.syam@xxxxxxxxxxx>
---
 drivers/usb/serial/mos7840.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 809fb32..107ff9e 100644
--- 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);
 	}
 
-- 
1.7.9.5

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