summaryrefslogtreecommitdiff
path: root/kernel/module/kallsyms.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/module/kallsyms.c')
-rw-r--r--kernel/module/kallsyms.c41
1 files changed, 27 insertions, 14 deletions
diff --git a/kernel/module/kallsyms.c b/kernel/module/kallsyms.c
index 77e75bead569..f5c5c9175333 100644
--- a/kernel/module/kallsyms.c
+++ b/kernel/module/kallsyms.c
@@ -457,26 +457,39 @@ unsigned long find_kallsyms_symbol_value(struct module *mod, const char *name)
return 0;
}
-/* Look for this name: can be of form module:name. */
-unsigned long module_kallsyms_lookup_name(const char *name)
+static unsigned long __module_kallsyms_lookup_name(const char *name)
{
struct module *mod;
char *colon;
- unsigned long ret = 0;
+
+ colon = strnchr(name, MODULE_NAME_LEN, ':');
+ if (colon) {
+ mod = find_module_all(name, colon - name, false);
+ if (mod)
+ return find_kallsyms_symbol_value(mod, colon + 1);
+ return 0;
+ }
+
+ list_for_each_entry_rcu(mod, &modules, list) {
+ unsigned long ret;
+
+ if (mod->state == MODULE_STATE_UNFORMED)
+ continue;
+ ret = find_kallsyms_symbol_value(mod, name);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
+/* Look for this name: can be of form module:name. */
+unsigned long module_kallsyms_lookup_name(const char *name)
+{
+ unsigned long ret;
/* Don't lock: we're in enough trouble already. */
preempt_disable();
- if ((colon = strnchr(name, MODULE_NAME_LEN, ':')) != NULL) {
- if ((mod = find_module_all(name, colon - name, false)) != NULL)
- ret = find_kallsyms_symbol_value(mod, colon + 1);
- } else {
- list_for_each_entry_rcu(mod, &modules, list) {
- if (mod->state == MODULE_STATE_UNFORMED)
- continue;
- if ((ret = find_kallsyms_symbol_value(mod, name)) != 0)
- break;
- }
- }
+ ret = __module_kallsyms_lookup_name(name);
preempt_enable();
return ret;
}