diff options
Diffstat (limited to 'libs/libgui/msg.c')
| -rw-r--r-- | libs/libgui/msg.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libs/libgui/msg.c b/libs/libgui/msg.c index a8da87c..16f72d4 100644 --- a/libs/libgui/msg.c +++ b/libs/libgui/msg.c @@ -35,8 +35,11 @@ res msg_send(enum message_type type, void *data, u32 size) res msg_receive(void *buf, u32 size) { - res ret = dev_read(DEV_BUS, buf, 0, size); + assert(size >= sizeof(struct message_header)); struct message_header *header = buf; + memset(header, 0, sizeof(*header)); + + res ret = dev_read(DEV_BUS, buf, 0, size); if (header->magic == MSG_MAGIC) return ret; else |