diff options
Diffstat (limited to 'kernel/livepatch/core.c')
-rw-r--r-- | kernel/livepatch/core.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c index 9ada0bc5247b..c973ed9e42f8 100644 --- a/kernel/livepatch/core.c +++ b/kernel/livepatch/core.c @@ -118,27 +118,16 @@ static struct klp_object *klp_find_object(struct klp_patch *patch, } struct klp_find_arg { - const char *objname; const char *name; unsigned long addr; unsigned long count; unsigned long pos; }; -static int klp_find_callback(void *data, const char *name, - struct module *mod, unsigned long addr) +static int klp_match_callback(void *data, unsigned long addr) { struct klp_find_arg *args = data; - if ((mod && !args->objname) || (!mod && args->objname)) - return 0; - - if (strcmp(args->name, name)) - return 0; - - if (args->objname && strcmp(args->objname, mod->name)) - return 0; - args->addr = addr; args->count++; @@ -153,11 +142,21 @@ static int klp_find_callback(void *data, const char *name, return 0; } +static int klp_find_callback(void *data, const char *name, + struct module *mod, unsigned long addr) +{ + struct klp_find_arg *args = data; + + if (strcmp(args->name, name)) + return 0; + + return klp_match_callback(data, addr); +} + static int klp_find_object_symbol(const char *objname, const char *name, unsigned long sympos, unsigned long *addr) { struct klp_find_arg args = { - .objname = objname, .name = name, .addr = 0, .count = 0, @@ -165,9 +164,9 @@ static int klp_find_object_symbol(const char *objname, const char *name, }; if (objname) - module_kallsyms_on_each_symbol(klp_find_callback, &args); + module_kallsyms_on_each_symbol(objname, klp_find_callback, &args); else - kallsyms_on_each_symbol(klp_find_callback, &args); + kallsyms_on_each_match_symbol(klp_match_callback, name, &args); /* * Ensure an address was found. If sympos is 0, ensure symbol is unique; |