From: Syam Sidhardhan <s.syam@samsung.com>
Date: Wed, 6 Mar 2013 20:21:12 +0000 (+0530)
Subject: usb: serial: Remove redundant NULL check before kfree
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ae8d4879667949fb49f0862b11ba680f671b2185;p=linux-beck.git

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 809fb329eca5..107ff9e3ddad 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);
 	}