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kallsyms: Delete an unused parameter related to {module_}kallsyms_on_each_symbol()

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The parameter 'struct module *' in the hook function associated with
{module_}kallsyms_on_each_symbol() is no longer used. Delete it.

Suggested-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Reviewed-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
This commit is contained in:
Zhen Lei 2023-03-08 15:38:46 +08:00 committed by Luis Chamberlain
parent 7ce9372909
commit 3703bd54cd
7 changed files with 14 additions and 21 deletions
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7
include/linux/kallsyms.h
View file

@ -67,8 +67,7 @@ static inline void *dereference_symbol_descriptor(void *ptr)
#ifdef CONFIG_KALLSYMS
unsigned long kallsyms_sym_address(int idx);
int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *,
unsigned long),
int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long),
void *data);
int kallsyms_on_each_match_symbol(int (*fn)(void *, unsigned long),
const char *name, void *data);
@ -166,8 +165,8 @@ static inline bool kallsyms_show_value(const struct cred *cred)
return false;
}
static inline int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *,
unsigned long), void *data)
static inline int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long),
void *data)
{
return -EOPNOTSUPP;
}

6
include/linux/module.h
View file

@ -965,13 +965,11 @@ static inline bool module_sig_ok(struct module *module)
#if defined(CONFIG_MODULES) && defined(CONFIG_KALLSYMS)
int module_kallsyms_on_each_symbol(const char *modname,
int (*fn)(void *, const char *,
struct module *, unsigned long),
int (*fn)(void *, const char *, unsigned long),
void *data);
#else
static inline int module_kallsyms_on_each_symbol(const char *modname,
int (*fn)(void *, const char *,
struct module *, unsigned long),
int (*fn)(void *, const char *, unsigned long),
void *data)
{
return -EOPNOTSUPP;

5
kernel/kallsyms.c
View file

@ -288,8 +288,7 @@ unsigned long kallsyms_lookup_name(const char *name)
* Iterate over all symbols in vmlinux. For symbols from modules use
* module_kallsyms_on_each_symbol instead.
*/
int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *,
unsigned long),
int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long),
void *data)
{
char namebuf[KSYM_NAME_LEN];
@ -299,7 +298,7 @@ int kallsyms_on_each_symbol(int (*fn)(void *, const char *, struct module *,
for (i = 0, off = 0; i < kallsyms_num_syms; i++) {
off = kallsyms_expand_symbol(off, namebuf, ARRAY_SIZE(namebuf));
ret = fn(data, namebuf, NULL, kallsyms_sym_address(i));
ret = fn(data, namebuf, kallsyms_sym_address(i));
if (ret != 0)
return ret;
cond_resched();

6
kernel/kallsyms_selftest.c
View file

@ -95,7 +95,7 @@ static struct test_item test_items[] = {
static char stub_name[KSYM_NAME_LEN];
static int stat_symbol_len(void *data, const char *name, struct module *mod, unsigned long addr)
static int stat_symbol_len(void *data, const char *name, unsigned long addr)
{
*(u32 *)data += strlen(name);
@ -154,7 +154,7 @@ static void test_kallsyms_compression_ratio(void)
pr_info(" ---------------------------------------------------------\n");
}
static int lookup_name(void *data, const char *name, struct module *mod, unsigned long addr)
static int lookup_name(void *data, const char *name, unsigned long addr)
{
u64 t0, t1, t;
struct test_stat *stat = (struct test_stat *)data;
@ -207,7 +207,7 @@ static bool match_cleanup_name(const char *s, const char *name)
return !strncmp(s, name, len);
}
static int find_symbol(void *data, const char *name, struct module *mod, unsigned long addr)
static int find_symbol(void *data, const char *name, unsigned long addr)
{
struct test_stat *stat = (struct test_stat *)data;

3
kernel/livepatch/core.c
View file

@ -142,8 +142,7 @@ static int klp_match_callback(void *data, unsigned long addr)
return 0;
}
static int klp_find_callback(void *data, const char *name,
struct module *mod, unsigned long addr)
static int klp_find_callback(void *data, const char *name, unsigned long addr)
{
struct klp_find_arg *args = data;

5
kernel/module/kallsyms.c
View file

@ -503,8 +503,7 @@ unsigned long module_kallsyms_lookup_name(const char *name)
}
int module_kallsyms_on_each_symbol(const char *modname,
int (*fn)(void *, const char *,
struct module *, unsigned long),
int (*fn)(void *, const char *, unsigned long),
void *data)
{
struct module *mod;
@ -533,7 +532,7 @@ int module_kallsyms_on_each_symbol(const char *modname,
continue;
ret = fn(data, kallsyms_symbol_name(kallsyms, i),
mod, kallsyms_symbol_value(sym));
kallsyms_symbol_value(sym));
if (ret != 0)
goto out;
}

3
kernel/trace/ftrace.c
View file

@ -8391,8 +8391,7 @@ struct kallsyms_data {
* and returns 1 in case we resolved all the requested symbols,
* 0 otherwise.
*/
static int kallsyms_callback(void *data, const char *name,
struct module *mod, unsigned long addr)
static int kallsyms_callback(void *data, const char *name, unsigned long addr)
{
struct kallsyms_data *args = data;
const char **sym;