tree 5809318d426171c41526b7f9b6edbce26f24ca85
parent 5027cd1e323d2f8136abb32ac7c8e1e1a94eac05
author Peng Fan <van.freenix@gmail.com> 1434944483 +0800
committer Ulf Hansson <ulf.hansson@linaro.org> 1437725907 +0200

mmc: sdhci check parameters before call dma_free_coherent

We should not call dma_free_coherent if host->adma_table is NULL,
otherwise may trigger panic.

Fixes: d1e49f77d7c7 ("mmc: sdhci: convert ADMA descriptors to a...")
Signed-off-by: Peng Fan <van.freenix@gmail.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>