Changeset 436a0a5 in mainline for kernel/generic/src/ipc/sysipc.c

Timestamp:

2018-11-09T22:04:01Z (5 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

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

Children:

95d45482

Parents:

88e43bc (diff), abf6c01 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

(merge) Reduce the number of blocking allocations in the kernel

File:

• kernel/generic/src/ipc/sysipc.c (modified) (4 diffs)

kernel/generic/src/ipc/sysipc.c

@@ -267 +267 @@
  * @return EOK on success.
  * @return ENOENT if there is no such phone handle.
+ * @return ENOMEM if not enough memory to make the call
  *
  */
@@ -276 +277 @@
                 return ENOENT;
 
-        call_t *call = ipc_call_alloc(0);
+        call_t *call = ipc_call_alloc();
+        if (!call) {
+                kobject_put(kobj);
+                return ENOMEM;
+        }
+
         call->priv = priv;
         memcpy(call->data.args, data->args, sizeof(data->args));
@@ -373 +379 @@
         }
 
-        call_t *call = ipc_call_alloc(0);
+        call_t *call = ipc_call_alloc();
+        if (!call) {
+                kobject_put(kobj);
+                return ENOMEM;
+        }
+
         IPC_SET_IMETHOD(call->data, imethod);
         IPC_SET_ARG1(call->data, arg1);
@@ -420 +431 @@
         }
 
-        call_t *call = ipc_call_alloc(0);
+        call_t *call = ipc_call_alloc();
+        if (!call) {
+                kobject_put(kobj);
+                return ENOMEM;
+        }
+
         errno_t rc = copy_from_uspace(&call->data.args, &data->args,
             sizeof(call->data.args));