Changeset 7473807 in mainline for kernel/generic/src/ipc/ops/datawrite.c

Timestamp:

2018-05-11T20:22:42Z (6 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

d2c5159

Parents:

ae89656

Message:

Use atomic malloc allocations

We can safely use atomic allocations in places that use the non-failing
version of malloc(), but test the return value anyway. And also in some
places that can afford to return failure but did not because of comfort.

File:

• kernel/generic/src/ipc/ops/datawrite.c (modified) (1 diff)

kernel/generic/src/ipc/ops/datawrite.c

@@ -56 +56 @@
         }
 
-        call->buffer = (uint8_t *) malloc(size, 0);
+        call->buffer = (uint8_t *) malloc(size, FRAME_ATOMIC);
+        if (!call->buffer)
+                return ENOMEM;
         errno_t rc = copy_from_uspace(call->buffer, (void *) src, size);
         if (rc != EOK) {