mmc: sdhci check parameters before call dma_free_coherent
authorPeng Fan <van.freenix@gmail.com>
Mon, 22 Jun 2015 03:41:23 +0000 (11:41 +0800)
committerUlf Hansson <ulf.hansson@linaro.org>
Fri, 24 Jul 2015 08:18:27 +0000 (10:18 +0200)
commit7ac020366b0a436d726408841160b5dc32c19214
tree5809318d426171c41526b7f9b6edbce26f24ca85
parent5027cd1e323d2f8136abb32ac7c8e1e1a94eac05
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>
drivers/mmc/host/sdhci.c