Changeset e9d15d9 in mainline for kernel/generic/src/ipc/ipcrsc.c

Timestamp:

2017-08-18T21:15:26Z (7 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

24abb85d

Parents:

1c85bae

Message:

Turn IRQ structures into kernel objects

ipc_irq_subscribe() now returns a capability for the underlying IRQ kernel
object. ipc_irq_unsubscribe() can now be done only with a valid IRQ capability.

File:

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

kernel/generic/src/ipc/ipcrsc.c

@@ -133 +133 @@
 #include <assert.h>
 #include <abi/errno.h>
+#include <kobject/kobject.h>
 
 /** Find call_t * in call table according to callid.
@@ -198 +199 @@
  *
  * @return  New phone capability.
- * @return  KOBJECT_INVALID_CAP if a new capability cannot be allocated.
+ * @return  Negative error code if a new capability cannot be allocated.
  */
 int phone_alloc(task_t *task)
 {
         int cap = kobject_alloc(task);
-        if (cap != KOBJECT_INVALID_CAP) {
+        if (cap >= 0) {
                 irq_spinlock_lock(&task->lock, true);
                 kobject_t *kobj = &task->kobject[cap];