From 4556e12c9cf732343224308866dad2a12887dcd6 Mon Sep 17 00:00:00 2001
From: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Date: Fri, 9 Jan 2015 13:39:05 +0100
Subject: [PATCH] usb: dwc2: gadget: fix fifo allocation leak

When selecting different alt setting, s3c_hsotg_ep_enable can be
called with fifo already allocated. Allocate fifo again only if
required and after deallocating the previous fifo.

Tested-by: Robert Baldyga <r.baldyga@samsung.com>
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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