tree bfd5ec0bff4f022e8fd713e8b61bcf4bb04f901f
parent 3796fb8ac40920e04ed36e45b1b40d13aec3909d
author Adrian Hunter <adrian.hunter@nokia.com> 1304673251 +0300
committer Chris Ball <cjb@laptop.org> 1311258904 -0400

mmc: omap_hsmmc: fix oops in omap_hsmmc_dma_cb()

In the case of an I/O error, the DMA will have been cleaned up in
the MMC interrupt and the request structure pointer will be null.

In that case, it is essential to check if the DMA is over before
dereferencing host->mrq->data.

Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
Signed-off-by: Chris Ball <cjb@laptop.org>