In gk20a_dbg_gpu_dev_release() (when we close nvhost-dgb-gpu sysfs),
we return from function if there is no channel bound to dbg_session
without freeing the dbg_session memory.
If there is no channel bound then do not call dbg_unbind_channel_gk20a()
and then free dbg_session memory always.
Bug 200010382
Change-Id: I90dd2ed3cd72fbc5d429799660daf2a09b974fda
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/419306
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Shridhar Rasal <srasal@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>