diff options
Diffstat (limited to 'kernel/livepatch/patch.c')
| -rw-r--r-- | kernel/livepatch/patch.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/kernel/livepatch/patch.c b/kernel/livepatch/patch.c index 7702cb4064fc..825022d70912 100644 --- a/kernel/livepatch/patch.c +++ b/kernel/livepatch/patch.c @@ -34,7 +34,7 @@ static LIST_HEAD(klp_ops); -struct klp_ops *klp_find_ops(unsigned long old_addr) +struct klp_ops *klp_find_ops(void *old_func) { struct klp_ops *ops; struct klp_func *func; @@ -42,7 +42,7 @@ struct klp_ops *klp_find_ops(unsigned long old_addr) list_for_each_entry(ops, &klp_ops, node) { func = list_first_entry(&ops->func_stack, struct klp_func, stack_node); - if (func->old_addr == old_addr) + if (func->old_func == old_func) return ops; } @@ -142,17 +142,18 @@ static void klp_unpatch_func(struct klp_func *func) if (WARN_ON(!func->patched)) return; - if (WARN_ON(!func->old_addr)) + if (WARN_ON(!func->old_func)) return; - ops = klp_find_ops(func->old_addr); + ops = klp_find_ops(func->old_func); if (WARN_ON(!ops)) return; if (list_is_singular(&ops->func_stack)) { unsigned long ftrace_loc; - ftrace_loc = klp_get_ftrace_location(func->old_addr); + ftrace_loc = + klp_get_ftrace_location((unsigned long)func->old_func); if (WARN_ON(!ftrace_loc)) return; @@ -174,17 +175,18 @@ static int klp_patch_func(struct klp_func *func) struct klp_ops *ops; int ret; - if (WARN_ON(!func->old_addr)) + if (WARN_ON(!func->old_func)) return -EINVAL; if (WARN_ON(func->patched)) return -EINVAL; - ops = klp_find_ops(func->old_addr); + ops = klp_find_ops(func->old_func); if (!ops) { unsigned long ftrace_loc; - ftrace_loc = klp_get_ftrace_location(func->old_addr); + ftrace_loc = + klp_get_ftrace_location((unsigned long)func->old_func); if (!ftrace_loc) { pr_err("failed to find location for function '%s'\n", func->old_name); |