From: Changbing Xiong <cb.xiong@samsung.com>
Date: Thu, 21 Aug 2014 02:05:40 +0000 (-0300)
Subject: [media] media: check status of dmxdev->exit in poll functions of demux&dvr
X-Git-Tag: fixes-against-v3.18-rc2~130^2^2~382
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d102cac8097c71bbbba41f4d0cdf5b509d4c64cf;p=pandora-kernel.git

[media] media: check status of dmxdev->exit in poll functions of demux&dvr

when usb-type tuner is pulled out, user applications did not close device's FD,
and go on polling the device, we should return POLLERR directly.

Signed-off-by: Changbing Xiong <cb.xiong@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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