From: Sylwester Nawrocki <s.nawrocki@samsung.com>
Date: Thu, 8 May 2014 17:35:15 +0000 (-0300)
Subject: [media] exynos4-is: Free FIMC-IS CPU memory only when allocated
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~25^2~88
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=404a90abc60f60df2757cb272660e003d326881f;p=pandora-kernel.git

[media] exynos4-is: Free FIMC-IS CPU memory only when allocated

Ensure dma_free_coherent() is not called with incorrect arguments
and only when the memory was actually allocated. This will prevent
possible crashes on error paths of the top level media device driver,
when fimc-is device gets unregistered and its driver detached.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Cc: stable@vger.kernel.org # for v3.15
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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