tree 7005e99333699a574292d34fee19dc10b16e0752
parent 0b23a1ece9be2c3e04c3b8d3594a1ada1fa1ae50
author Emilio López <emilio@elopez.com.ar> 1442175353 -0300
committer Vinod Koul <vinod.koul@intel.com> 1443595642 +0530

dmaengine: sun4i: fix unsafe list iteration

Currently, sun4i_dma_free_contract iterates over lists and frees memory
as it goes through them, causing reads to recently freed memory to
be performed. Fix this by using the safe version of the iterator, so
freed memory is not referenced at all.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>