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network: return 1 on start and 0 if ipv4ll is already started

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Instead of -EBUSY, return 0 from sd_ipv4ll_start() if it's already started,
and change successful start return value to 1.

This matches sd_ndisc_start() behavior; 1 indicates successful start, and
0 indicates already started.
This commit is contained in:
Dan Streetman 2020-05-02 09:56:33 -04:00
parent bd0d471c8f
commit 6b8a1aa6a3
3 changed files with 7 additions and 4 deletions
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6
src/libsystemd-network/sd-ipv4ll.c
View File

@ -252,12 +252,14 @@ static int ipv4ll_start_internal(sd_ipv4ll *ll, bool reset_generation) {
return r;
}
return 0;
return 1;
}
int sd_ipv4ll_start(sd_ipv4ll *ll) {
assert_return(ll, -EINVAL);
assert_return(sd_ipv4ll_is_running(ll) == 0, -EBUSY);
if (sd_ipv4ll_is_running(ll))
return 0;
return ipv4ll_start_internal(ll, true);
}

4
src/libsystemd-network/test-ipv4ll.c
View File

@ -159,10 +159,10 @@ static void test_basic_request(sd_event *e) {
assert_se(sd_ipv4ll_start(ll) == -EINVAL);
assert_se(sd_ipv4ll_set_ifindex(ll, 1) == 0);
assert_se(sd_ipv4ll_start(ll) == 0);
assert_se(sd_ipv4ll_start(ll) == 1);
sd_event_run(e, (uint64_t) -1);
assert_se(sd_ipv4ll_start(ll) == -EBUSY);
assert_se(sd_ipv4ll_start(ll) == 0);
assert_se(sd_ipv4ll_is_running(ll));

1
src/libsystemd-network/test-ndisc-rs.c
View File

@ -297,6 +297,7 @@ static void test_rs(void) {
assert_se(sd_ndisc_stop(nd) >= 0);
assert_se(sd_ndisc_start(nd) >= 0);
assert_se(sd_ndisc_start(nd) >= 0);
assert_se(sd_ndisc_stop(nd) >= 0);
assert_se(sd_ndisc_start(nd) >= 0);