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-rw-r--r--kernel/jump_label.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index 74d1c099fbd1..fa27e750dbc0 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -105,9 +105,12 @@ static int __jump_label_text_reserved(struct jump_entry *iter_start,
105} 105}
106 106
107static void __jump_label_update(struct jump_label_key *key, 107static void __jump_label_update(struct jump_label_key *key,
108 struct jump_entry *entry, int enable) 108 struct jump_entry *entry,
109 struct jump_entry *stop, int enable)
109{ 110{
110 for (; entry->key == (jump_label_t)(unsigned long)key; entry++) { 111 for (; (entry < stop) &&
112 (entry->key == (jump_label_t)(unsigned long)key);
113 entry++) {
111 /* 114 /*
112 * entry->code set to 0 invalidates module init text sections 115 * entry->code set to 0 invalidates module init text sections
113 * kernel_text_address() verifies we are not in core kernel 116 * kernel_text_address() verifies we are not in core kernel
@@ -181,7 +184,11 @@ static void __jump_label_mod_update(struct jump_label_key *key, int enable)
181 struct jump_label_mod *mod = key->next; 184 struct jump_label_mod *mod = key->next;
182 185
183 while (mod) { 186 while (mod) {
184 __jump_label_update(key, mod->entries, enable); 187 struct module *m = mod->mod;
188
189 __jump_label_update(key, mod->entries,
190 m->jump_entries + m->num_jump_entries,
191 enable);
185 mod = mod->next; 192 mod = mod->next;
186 } 193 }
187} 194}
@@ -245,7 +252,8 @@ static int jump_label_add_module(struct module *mod)
245 key->next = jlm; 252 key->next = jlm;
246 253
247 if (jump_label_enabled(key)) 254 if (jump_label_enabled(key))
248 __jump_label_update(key, iter, JUMP_LABEL_ENABLE); 255 __jump_label_update(key, iter, iter_stop,
256 JUMP_LABEL_ENABLE);
249 } 257 }
250 258
251 return 0; 259 return 0;
@@ -371,7 +379,7 @@ static void jump_label_update(struct jump_label_key *key, int enable)
371 379
372 /* if there are no users, entry can be NULL */ 380 /* if there are no users, entry can be NULL */
373 if (entry) 381 if (entry)
374 __jump_label_update(key, entry, enable); 382 __jump_label_update(key, entry, __stop___jump_table, enable);
375 383
376#ifdef CONFIG_MODULES 384#ifdef CONFIG_MODULES
377 __jump_label_mod_update(key, enable); 385 __jump_label_mod_update(key, enable);