From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Fri, 16 Nov 2012 15:03:07 +0000 (-0300)
Subject: [media] vpif_display: protect dma_queue by a spin_lock
X-Git-Tag: omap-for-v3.8/fixes-for-merge-window-v4-signed~21^2^2~67
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c4697d7f96f40cdc8f88bcdf4bf13d74ea11c4cc;p=pandora-kernel.git

[media] vpif_display: protect dma_queue by a spin_lock

The dma_queue list is accessed by both the interrupt handler and by normal
code. It needs to be protected by a lock to prevent possible list corruption.
Corruption has been observed in 'real-life' conditions. Adding this lock made
it go away.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.lad@ti.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

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