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logind: close_device always returned error

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Error handling was broken in close_device, always returning -1.

Use the return value, and add a few errno assignments while we're at it.
This commit is contained in:
Kenny Levinsen 2020-08-06 02:23:12 +02:00
parent 304489c30d
commit 0fd525e85e
1 changed files with 7 additions and 4 deletions
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11
libseat/backend/logind.c
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@ -115,6 +115,7 @@ out:
static int close_device(struct libseat *base, int device_id) {
struct backend_logind *session = backend_logind_from_libseat_backend(base);
if (device_id < 0) {
errno = EINVAL;
return -1;
}
@ -133,19 +134,20 @@ static int close_device(struct libseat *base, int device_id) {
sd_bus_message *msg = NULL;
sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus_call_method(session->bus, "org.freedesktop.login1", session->path,
"org.freedesktop.login1.Session", "ReleaseDevice", &error, &msg, "uu",
major(st.st_rdev), minor(st.st_rdev));
int ret = sd_bus_call_method(session->bus, "org.freedesktop.login1", session->path,
"org.freedesktop.login1.Session", "ReleaseDevice", &error,
&msg, "uu", major(st.st_rdev), minor(st.st_rdev));
sd_bus_error_free(&error);
sd_bus_message_unref(msg);
return -1;
return ret >= 0;
}
static int switch_session(struct libseat *base, int s) {
struct backend_logind *session = backend_logind_from_libseat_backend(base);
if (s >= UINT16_MAX || s < 0) {
errno = EINVAL;
return -1;
}
@ -192,6 +194,7 @@ static int poll_connection(struct backend_logind *backend, int timeout) {
}
if (fd.revents & (POLLERR | POLLHUP)) {
errno = ECONNRESET;
return -1;
}
return 0;