tree 3b360c42c9449e4bcf320ade4c0048b98bfbe4d4
parent 7937e878f91ccc32c09177f44cfdc45183d78605
author Jaehoon Chung <jh80.chung@samsung.com> 1310544136 +0900
committer Chris Ball <cjb@laptop.org> 1311258900 -0400

mmc: block: fixed NULL pointer dereference

We already check for ongoing async transfers when handling discard
requests, but not in mmc_blk_issue_flush().  This patch fixes that
omission.

Tested with an SDHCI controller and eMMC4.41.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Per Forlin <per.forlin@linaro.org>
Cc: <stable@kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>