diff options
Diffstat (limited to 'src/libsystemd-bus/bus-kernel.c')
-rw-r--r-- | src/libsystemd-bus/bus-kernel.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/src/libsystemd-bus/bus-kernel.c b/src/libsystemd-bus/bus-kernel.c index b83dfcbc27..712b697b0a 100644 --- a/src/libsystemd-bus/bus-kernel.c +++ b/src/libsystemd-bus/bus-kernel.c @@ -83,7 +83,9 @@ static int bus_message_setup_kmsg(sd_bus_message *m) { assert(m); assert(m->sealed); - assert(!m->kdbus); + + if (m->kdbus) + return 0; if (m->destination) { r = parse_unique_name(m->destination, &unique); @@ -140,9 +142,11 @@ static int bus_message_setup_kmsg(sd_bus_message *m) { if (m->body) append_payload_vec(&d, m->body, m->header->body_size); - m->kdbus->size = (uint8_t*) m - (uint8_t*) m->kdbus; + m->kdbus->size = (uint8_t*) d - (uint8_t*) m->kdbus; assert(m->kdbus->size <= sz); + m->free_kdbus = true; + return 0; } @@ -282,14 +286,14 @@ static int bus_kernel_make_message(sd_bus *bus, struct kdbus_msg *k, sd_bus_mess continue; l = d->size - offsetof(struct kdbus_msg_data, data); - if (idx == sizeof(struct bus_header) && l == BUS_MESSAGE_FIELDS_SIZE(m)) m->fields = d->data; else if (idx == sizeof(struct bus_header) + ALIGN8(BUS_MESSAGE_FIELDS_SIZE(m)) && l == BUS_MESSAGE_BODY_SIZE(m)) m->body = d->data; - else { + else if (!(idx == 0 && l == sizeof(struct bus_header)) && + !(idx == sizeof(struct bus_header) + BUS_MESSAGE_FIELDS_SIZE(m))) { sd_bus_message_unref(m); return -EBADMSG; } @@ -339,7 +343,7 @@ int bus_kernel_read_message(sd_bus *bus, sd_bus_message **m) { if (errno == EAGAIN) return 0; - if (errno != EMSGSIZE) + if (errno != ENOBUFS) return -errno; sz *= 2; |