diff options
Diffstat (limited to 'kernel/jump_label.c')
-rw-r--r-- | kernel/jump_label.c | 18 |
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 | ||
107 | static void __jump_label_update(struct jump_label_key *key, | 107 | static 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); |