gk20a_channel_release can still get called even if the open_channel call failed
(e.g., if we ran out of hw chids), in which case priv is null. Check for this
case and return if null.
Bug 1964531
Change-Id: I48bc88e4dbd88a1c30fc399de629d8f8b344cfd9
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1526544
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
1b5035132b