tree a5d6718666fbddbe9517f1d23e86a276222a89ee
parent cd166280b7a1d74248897b48aea39217015ee8c2
author Srikanth Thokala <srikanth.thokala@xilinx.com> 1415212620 +0200
committer Vinod Koul <vinod.koul@intel.com> 1415259707 +0530

dmaengine: xilinx: vdma: Check if the segment list is empty in a descriptor

The segment list in a descriptor should be checked for empty, else
it will try to access invalid address for the first call.  This
patch fixes this issue.

Signed-off-by: Srikanth Thokala <sthokal@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>