linux-kernel - [PATCH] USB: fix possible memory leak in pxa27x

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Message-ID: <20080622090813.GA11823@joi>
Date:	Sun, 22 Jun 2008 11:08:16 +0200
From:	Marcin Slusarz <marcin.slusarz@...il.com>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Daniel Marjamäki <danielm77@...ay.se>,
	David Brownell <dbrownell@...rs.sourceforge.net>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: [PATCH] USB: fix possible memory leak in pxa27x_udc

Fix memory leak when _ep is null.
http://bugzilla.kernel.org/show_bug.cgi?id=10660

Noticed-by: Daniel Marjamäki <danielm77@...ay.se>
Signed-off-by: Marcin Slusarz <marcin.slusarz@...il.com>
Cc: David Brownell <dbrownell@...rs.sourceforge.net>
Cc: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/usb/gadget/pxa27x_udc.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index e02bfd4..e3a5d53 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -650,8 +650,11 @@ pxa_ep_alloc_request(struct usb_ep *_ep, gfp_t gfp_flags)
 {
 	struct pxa27x_request *req;
 
+	if (!_ep)
+		return NULL;
+
 	req = kzalloc(sizeof *req, gfp_flags);
-	if (!req || !_ep)
+	if (!req)
 		return NULL;
 
 	INIT_LIST_HEAD(&req->queue);
-- 
1.5.4.5

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