From: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Date: Thu, 9 Jul 2015 13:21:41 +0000 (+0900)
Subject: serial: amba-pl011: Fix devm_ioremap_resource return value check
X-Git-Tag: omap-for-v4.3/fixes-merge-window~185^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=97a60eac33f663d2150ee1b3c69253d87ba53dff;p=pandora-kernel.git

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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