From: Felipe Balbi <balbi@ti.com>
Date: Tue, 29 May 2012 11:36:42 +0000 (+0300)
Subject: usb: gadget: omap_udc: remove possiblity of NULL pointer de-reference
X-Git-Tag: v3.6-rc1~101^2~53^2~28^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=70617db7ad7395498e6bc54c634199bf895426c6;p=pandora-kernel.git

usb: gadget: omap_udc: remove possiblity of NULL pointer de-reference

when allocating a request, it's better programming
practice to make sure we return NULL if allocation
failed.

This will ensure that, if struct usb_request isn't
the first member on our structure, we don't cheat
the gadget driver into thinking allocating worked
because pointer isn't 0.

Signed-off-by: Felipe Balbi <balbi@ti.com>
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