tree ebc00379b3eeb562a1d810e3ca92ff37bd01bc37
parent fd0fcf5c29dd0339c5f5d86eb2cbe9fdad5bcd73
author Maciej Sosnowski <maciej.sosnowski@intel.com> 1226022352 +0000
committer David S. Miller <davem@davemloft.net> 1226358051 -0800

[1/4] I/OAT: fix channel resources free for not allocated channels

If the ioatdma driver is loaded but not used it does not allocate descriptors.
Before it frees channel resources it should first be sure
that they have been previously allocated.

Cc: <stable@kernel.org>
Signed-off-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Tested-by: Tom Picard <tom.s.picard@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>