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mirror of https://github.com/systemd/systemd.git synced 2024-12-22 17:35:35 +03:00

sd-bus: avoid potential memory leaks

This commit is contained in:
Yu Watanabe 2018-02-09 16:21:29 +09:00
parent 996def17f9
commit b4ca3f45dc

View File

@ -556,6 +556,7 @@ void bus_set_state(sd_bus *bus, enum bus_state state) {
static int hello_callback(sd_bus_message *reply, void *userdata, sd_bus_error *error) {
const char *s;
char *t;
sd_bus *bus;
int r;
@ -575,10 +576,12 @@ static int hello_callback(sd_bus_message *reply, void *userdata, sd_bus_error *e
if (!service_name_is_valid(s) || s[0] != ':')
return -EBADMSG;
bus->unique_name = strdup(s);
if (!bus->unique_name)
t = strdup(s);
if (!t)
return -ENOMEM;
free_and_replace(bus->unique_name, t);
if (bus->state == BUS_HELLO) {
bus_set_state(bus, BUS_RUNNING);
@ -1377,7 +1380,7 @@ fail:
int bus_set_address_system_remote(sd_bus *b, const char *host) {
_cleanup_free_ char *e = NULL;
char *m = NULL, *c = NULL;
char *m = NULL, *c = NULL, *a;
assert(b);
assert(host);
@ -1408,10 +1411,12 @@ int bus_set_address_system_remote(sd_bus *b, const char *host) {
return -ENOMEM;
}
b->address = strjoin("unixexec:path=ssh,argv1=-xT,argv2=--,argv3=", e, ",argv4=systemd-stdio-bridge", c);
if (!b->address)
a = strjoin("unixexec:path=ssh,argv1=-xT,argv2=--,argv3=", e, ",argv4=systemd-stdio-bridge", c);
if (!a)
return -ENOMEM;
free_and_replace(b->address, a);
return 0;
}
@ -1449,6 +1454,7 @@ fail:
int bus_set_address_system_machine(sd_bus *b, const char *machine) {
_cleanup_free_ char *e = NULL;
char *a;
assert(b);
assert(machine);
@ -1457,10 +1463,12 @@ int bus_set_address_system_machine(sd_bus *b, const char *machine) {
if (!e)
return -ENOMEM;
b->address = strjoin("x-machine-unix:machine=", e);
if (!b->address)
a = strjoin("x-machine-unix:machine=", e);
if (!a)
return -ENOMEM;
free_and_replace(b->address, a);
return 0;
}