From: Andreas Oberritter <obi@linuxtv.org>
Date: Thu, 4 Aug 2011 15:33:15 +0000 (-0300)
Subject: [media] DVB: dvb_frontend: update locking in dvb_frontend_{add, get_event}
X-Git-Tag: v3.2-rc1~112^2~279
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=77b1e2fbbdfa0ee5cdf6c928b711493a3738468e;p=pandora-kernel.git

[media] DVB: dvb_frontend: update locking in dvb_frontend_{add, get_event}

  - fepriv->parameters_out isn't protected by events->mtx, so
    move the call to fe->ops.get_frontend out of the locked area.
  - move the assignment of e->status into the locked area.

  - use direct assignment instead of memcpy.

  - use mutex_lock instead of mutex_lock_interruptible, because
    all code paths protected by this mutex won't block.

Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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