[PATCH 4.9 054/310] async_tx: Fix DMA_PREP_FENCE usage in do_async_gen_syndrome()

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Anup Patel [ Upstream commit baae03a0e2497f49704628fd0aaf993cf98e1b99 ] The DMA_PREP_FENCE is to be used when preparing Tx descriptor if output of Tx descriptor is to

[PATCH 4.9 054/310] async_tx: Fix DMA_PREP_FENCE usage in do_async_gen_syndrome()

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Anup Patel [ Upstream commit baae03a0e2497f49704628fd0aaf993cf98e1b99 ] The DMA_PREP_FENCE is to be used when preparing Tx descriptor if output of Tx descriptor is to be used by