From 50183936254b76997d222cd36bac997ebf8115de Mon Sep 17 00:00:00 2001
From: Wenlin Kang <wenlin.kang@windriver.com>
Date: Thu, 21 May 2015 14:49:38 +0800
Subject: [PATCH] mtd: blktrans: change blktrans_getgeo return value

Modify function blktrans_getgeo()'s return value to -EOPNOTSUPP when
dev->tr->getgeo == NULL.

We shouldn't make the return value to 0 when dev->tr->getgeo == NULL,
because the function blktrans_getgeo() has an output value "hd_geometry"
which is usually used by some application, if returns 0 (i.e.,
"success"), it will make some application get the wrong information.

Signed-off-by: Wenlin Kang <wenlin.kang@windriver.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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