1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
/* SPDX-License-Identifier: LGPL-2.1+ */
//#include <errno.h>
//#include "module-util.h"
int module_load_and_warn(struct kmod_ctx *ctx, const char *module) {
const int probe_flags = KMOD_PROBE_APPLY_BLACKLIST;
struct kmod_list *itr;
_cleanup_(kmod_module_unref_listp) struct kmod_list *modlist = NULL;
int r = 0;
log_debug("Loading module: %s", module);
r = kmod_module_new_from_lookup(ctx, module, &modlist);
if (r < 0)
return log_error_errno(r, "Failed to lookup module alias '%s': %m", module);
if (!modlist) {
log_error("Failed to find module '%s'", module);
return -ENOENT;
}
kmod_list_foreach(itr, modlist) {
_cleanup_(kmod_module_unrefp) struct kmod_module *mod = NULL;
int state, err;
mod = kmod_module_get_module(itr);
state = kmod_module_get_initstate(mod);
switch (state) {
case KMOD_MODULE_BUILTIN:
log_info("Module '%s' is builtin", kmod_module_get_name(mod));
break;
case KMOD_MODULE_LIVE:
log_debug("Module '%s' is already loaded", kmod_module_get_name(mod));
break;
default:
err = kmod_module_probe_insert_module(mod, probe_flags,
NULL, NULL, NULL, NULL);
if (err == 0)
log_info("Inserted module '%s'", kmod_module_get_name(mod));
else if (err == KMOD_PROBE_APPLY_BLACKLIST)
log_info("Module '%s' is blacklisted", kmod_module_get_name(mod));
else {
assert(err < 0);
log_full_errno(err == ENODEV ? LOG_NOTICE :
err == ENOENT ? LOG_WARNING :
LOG_ERR,
err,
"Failed to insert module '%s': %m",
kmod_module_get_name(mod));
if (!IN_SET(err, ENODEV, ENOENT))
r = err;
}
}
}
return r;
}
|