Changeset c25a39e in mainline for kernel/generic/src/ipc/sysipc.c

Timestamp:

2018-03-13T18:01:47Z (6 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

70327bb

Parents:

cdc4334

git-author:

Jakub Jermar <jakub@…> (2018-02-20 22:33:58)

git-committer:

Jakub Jermar <jakub@…> (2018-03-13 18:01:47)

Message:

Destroy the phone capability on hangup

The capability must be destroyed at the time of the hangup otherwise the
phone would linger in the hungup state until the task is destroyed.

File:

• kernel/generic/src/ipc/sysipc.c (modified) (2 diffs)

kernel/generic/src/ipc/sysipc.c

@@ -724 +724 @@
 sys_errno_t sys_ipc_hangup(sysarg_t handle)
 {
-        kobject_t *kobj = kobject_get(TASK, handle, KOBJECT_TYPE_PHONE);
+        kobject_t *kobj = cap_unpublish(TASK, handle, KOBJECT_TYPE_PHONE);
         if (!kobj)
                 return ENOENT;
@@ -730 +730 @@
         errno_t rc = ipc_phone_hangup(kobj->phone);
         kobject_put(kobj);
+        cap_free(TASK, handle);
         return rc;
 }