stm class: dummy_stm: Make nr_dummies parameter read-only

Changing nr_dummies after the module has been loaded doesn't actually
change anything, so just make it read-only.

Reported-by: Alan Cox <alan.cox@intel.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Laurent Fert <laurent.fert@intel.com>
This commit is contained in:
Alexander Shishkin 2016-03-04 16:22:33 +02:00
commit 118b4515aa