From: Mauro Carvalho Chehab <m.chehab@samsung.com>
Date: Fri, 27 Dec 2013 16:01:04 +0000 (-0300)
Subject: [media] em28xx: Fix em28xx deplock
X-Git-Tag: v3.14-rc1~20^2~190
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=54a2a84ea9e8640b4f1df4e222e305d03bb64065;p=pandora-kernel.git

[media] em28xx: Fix em28xx deplock

When em28xx extensions are loaded/removed, there are two locks:

a single static em28xx_devlist_mutex that registers each extension
and the struct em28xx dev->lock.

When extensions are registered, em28xx_devlist_mutex is taken first,
and then dev->lock.

Be sure that, when extensions are being removed, the same order
will be used.

Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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