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Diffstat (limited to 'src/libsystemd-bus/bus-kernel.c')
-rw-r--r--src/libsystemd-bus/bus-kernel.c14
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;