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modprobe: add more useful debug points

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Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2009-05-05 20:13:45 -04:00
parent 3322351724
commit 00ffaeab80
1 changed files with 10 additions and 2 deletions
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12
modutils/modprobe.c
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@ -13,7 +13,7 @@
#include <sys/utsname.h>
#include <fnmatch.h>
//#define DBG(...) bb_error_msg(__VA_ARGS__)
//#define DBG(fmt, ...) bb_error_msg("%s: " fmt, __func__, ## __VA_ARGS__)
#define DBG(...) ((void)0)
#define MODULE_FLAG_LOADED 0x0001
@ -114,6 +114,7 @@ static void add_probe(const char *name)
return;
}
DBG("queuing %s", name);
m->probed_name = name;
m->flags |= MODULE_FLAG_NEED_DEPS;
llist_add_to_end(&G.probes, m);
@ -206,6 +207,7 @@ static int do_modprobe(struct module_entry *m)
struct module_entry *m2;
char *fn, *options;
int rc = -1;
llist_t *l;
if (!(m->flags & MODULE_FLAG_FOUND_IN_MODDEP)) {
DBG("skipping %s, not found in modules.dep", m->modname);
@ -216,6 +218,9 @@ static int do_modprobe(struct module_entry *m)
if (!(option_mask32 & MODPROBE_OPT_REMOVE))
m->deps = llist_rev(m->deps);
for (l = m->deps; l != NULL; l = l->link)
DBG("dep: %s", l->data);
rc = 0;
while (m->deps && rc == 0) {
fn = llist_pop(&m->deps);
@ -292,7 +297,8 @@ static void load_modules_dep(void)
llist_add_to(&m->deps, xstrdup(tokens[0]));
if (tokens[1])
string_to_llist(tokens[1], &m->deps, " ");
}
} else
DBG("skipping dep line");
}
config_close(p);
}
@ -342,10 +348,12 @@ int modprobe_main(int argc UNUSED_PARAM, char **argv)
if (opt & MODPROBE_OPT_INSERT_ALL) {
/* Each argument is a module name */
do {
DBG("adding module %s", *argv);
add_probe(*argv++);
} while (*argv);
} else {
/* First argument is module name, rest are parameters */
DBG("probing just module %s", *argv);
add_probe(argv[0]);
G.cmdline_mopts = parse_cmdline_module_options(argv);
}