On Mon, Feb 01, 2016 at 03:05:58PM +0800, DingXiang wrote: > In some conditions(such as umount fs failed),origin path or origin bdev or > both of the two is same > as cow's.If this happens, origin dev will be freed when get cow dev in > function "dm_get_device" , > then "s->origin->dev" which used by "dm_exception_store_create" will be a > NULL pointer. > > Signed-off-by:Ding Xiang <dingxi...@huawei.com> > --- > drivers/md/dm-snap.c | 10 ++++++++++ > 1 files changed, 10 insertions(+), 0 deletions(-)
<formletter> This is not the correct way to submit patches for inclusion in the stable kernel tree. Please read Documentation/stable_kernel_rules.txt for how to do this properly. </formletter>
