diff options
Diffstat (limited to 'drivers/android/binder/freeze.rs')
| -rw-r--r-- | drivers/android/binder/freeze.rs | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/android/binder/freeze.rs b/drivers/android/binder/freeze.rs index e68c3c8bc55a..220de35ae85a 100644 --- a/drivers/android/binder/freeze.rs +++ b/drivers/android/binder/freeze.rs @@ -106,13 +106,22 @@ impl DeliverToRead for FreezeMessage { return Ok(true); } if freeze.is_clearing { - _removed_listener = freeze_entry.remove_node(); + kernel::warn_on!(freeze.num_cleared_duplicates != 0); + if freeze.num_pending_duplicates > 0 { + // The primary freeze listener was deleted, so convert a pending duplicate back + // into the primary one. + freeze.num_pending_duplicates -= 1; + freeze.is_pending = true; + freeze.is_clearing = true; + } else { + _removed_listener = freeze_entry.remove_node(); + } drop(node_refs); writer.write_code(BR_CLEAR_FREEZE_NOTIFICATION_DONE)?; writer.write_payload(&self.cookie.0)?; Ok(true) } else { - let is_frozen = freeze.node.owner.inner.lock().is_frozen; + let is_frozen = freeze.node.owner.inner.lock().is_frozen.is_fully_frozen(); if freeze.last_is_frozen == Some(is_frozen) { return Ok(true); } @@ -245,8 +254,9 @@ impl Process { ); return Err(EINVAL); } - if freeze.is_clearing { - // Immediately send another FreezeMessage for BR_CLEAR_FREEZE_NOTIFICATION_DONE. + let is_frozen = freeze.node.owner.inner.lock().is_frozen.is_fully_frozen(); + if freeze.is_clearing || freeze.last_is_frozen != Some(is_frozen) { + // Immediately send another FreezeMessage. clear_msg = Some(FreezeMessage::init(alloc, cookie)); } freeze.is_pending = false; |