Qiang Huang fdb06e387e Add mode check for device ...

This fixes two problems:
1. docker run --device /dev/sda:rw ubuntu bash doesn't work
2. --device /dev/zero:/dev/noro:ro doesn't show clear error message,
but fail when writing to cgroup file.

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
Upstream-commit: 429423624c61b38efeaeda95792077a0da65c4ef
Component: engine

2015-08-24 17:57:12 +08:00

..

engine

Add mode check for device

2015-08-24 17:57:12 +08:00