summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--kernel/jump_label.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index cdb3ffab128b..e661c61b3d6b 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -539,19 +539,25 @@ static void static_key_set_mod(struct static_key *key,
static int __jump_label_mod_text_reserved(void *start, void *end)
{
struct module *mod;
+ int ret;
preempt_disable();
mod = __module_text_address((unsigned long)start);
WARN_ON_ONCE(__module_text_address((unsigned long)end) != mod);
+ if (!try_module_get(mod))
+ mod = NULL;
preempt_enable();
if (!mod)
return 0;
-
- return __jump_label_text_reserved(mod->jump_entries,
+ ret = __jump_label_text_reserved(mod->jump_entries,
mod->jump_entries + mod->num_jump_entries,
start, end);
+
+ module_put(mod);
+
+ return ret;
}
static void __jump_label_mod_update(struct static_key *key)