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| author | Hans Verkuil <hans.verkuil@cisco.com> | 2012-11-16 19:03:07 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-11-22 18:36:53 +0400 |
| commit | c4697d7f96f40cdc8f88bcdf4bf13d74ea11c4cc (patch) | |
| tree | 8ff45f6260ae50eea7764b2b3db19babe90e2cce /lib/iomap_copy.c | |
| parent | aec968326df3c60d140c4bcb00f2ee982acd01cb (diff) | |
| download | linux-c4697d7f96f40cdc8f88bcdf4bf13d74ea11c4cc.tar.xz | |
[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>
Diffstat (limited to 'lib/iomap_copy.c')
0 files changed, 0 insertions, 0 deletions