From 97a60eac33f663d2150ee1b3c69253d87ba53dff Mon Sep 17 00:00:00 2001
From: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Date: Thu, 9 Jul 2015 22:21:41 +0900
Subject: [PATCH] serial: amba-pl011: Fix devm_ioremap_resource return value
 check

Value returned by devm_ioremap_resource() was checked for non-NULL but
devm_ioremap_resource() returns IOMEM_ERR_PTR, not NULL. In case of
error this could lead to dereference of ERR_PTR.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Cc: <stable@vger.kernel.org>
Fixes: 3873e2d7f63a ("drivers: PL011: refactor pl011_probe()")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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