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From: Ilia Mirkin <imirkin@alum.mit.edu>
To: Greg Kroah-Hartman <gregkh@suse.de>
Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org
Subject: [PATCH 16/24] staging: serqt_usb2: Remove NULL check before kfree
Date: Sun, 13 Mar 2011 00:29:09 -0500
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Content-Length: 1222
Lines: 39

This patch was generated by the following semantic patch:
// <smpl>
@@ expression E; @@
- if (E != NULL) { kfree(E); }
+ kfree(E);

@@ expression E; @@
- if (E != NULL) { kfree(E); E = NULL; }
+ kfree(E);
+ E = NULL;
// </smpl>

Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
---
 drivers/staging/serqt_usb2/serqt_usb2.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/serqt_usb2/serqt_usb2.c b/drivers/staging/serqt_usb2/serqt_usb2.c
index 27841ef..2be2d88 100644
--- a/drivers/staging/serqt_usb2/serqt_usb2.c
+++ b/drivers/staging/serqt_usb2/serqt_usb2.c
@@ -1098,8 +1098,7 @@ static void qt_close(struct usb_serial_port *port)
 
 	if (qt_port->write_urb) {
 		/* if this urb had a transfer buffer already (old tx) free it */
-		if (qt_port->write_urb->transfer_buffer != NULL)
-			kfree(qt_port->write_urb->transfer_buffer);
+		kfree(qt_port->write_urb->transfer_buffer);
 		usb_free_urb(qt_port->write_urb);
 	}
 
-- 
1.7.3.4

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