From d5f1b01644b6fd5e9eb480a4762cd6b569cb1246 Mon Sep 17 00:00:00 2001
From: Mauro Carvalho Chehab <mchehab@infradead.org>
Date: Mon, 8 Oct 2007 11:48:57 -0300
Subject: [PATCH] V4L/DVB (6291): Fix: avoid oops on some SMP machines

This workaround fix a bug that happens on some SMP machines. On those machines,
videobuf_iolock is called too soon, before file .mmap handler. This patch calls
the scheduler before iolocking, allowing it to properly call the pending mmap.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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