tree e50e29b88da24c9145a212611bb4ea249473d263
parent c618a9be0e8c0f36baee2560860a0118a428fb26
author Nicolas Ferre <nicolas.ferre@atmel.com> 1347376905 +0200
committer Vinod Koul <vinod.koul@linux.intel.com> 1347591400 +0530

dmaengine: at_hdmac: check that each sg data length is non-null

Avoid the construction of a malformed DMA request sent to
the DMA controller.
Log message is for debug only because this condition is unlikely to
append and may only trigger at driver development time.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Stable <stable@vger.kernel.org> [2.6.31+]
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>