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

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>

include/linux/kallsyms.h

@@ -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 *,
+int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long),
-				      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 *,
+static inline int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long),
-					  unsigned long), void *data)
+					  void *data)
 {
 	return -EOPNOTSUPP;
 }

include/linux/module.h

@@ -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 *,
+				   int (*fn)(void *, const char *, unsigned long),
-					     struct module *, unsigned long),
 				   void *data);
 #else
 static inline int module_kallsyms_on_each_symbol(const char *modname,
-						 int (*fn)(void *, const char *,
+						 int (*fn)(void *, const char *, unsigned long),
-						 struct module *, unsigned long),
 						 void *data)
 {
 	return -EOPNOTSUPP;

kernel/kallsyms.c

@@ -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 *,
+int kallsyms_on_each_symbol(int (*fn)(void *, const char *, unsigned long),
-				      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();

kernel/kallsyms_selftest.c

@@ -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;
 

kernel/livepatch/core.c

@@ -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,
+static int klp_find_callback(void *data, const char *name, unsigned long addr)
-			     struct module *mod, unsigned long addr)
 {
 	struct klp_find_arg *args = data;
 

kernel/module/kallsyms.c

@@ -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 *,
+				   int (*fn)(void *, const char *, unsigned long),
-					     struct module *, 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;
 		}

kernel/trace/ftrace.c

@@ -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,
+static int kallsyms_callback(void *data, const char *name, unsigned long addr)
-			     struct module *mod, unsigned long addr)
 {
 	struct kallsyms_data *args = data;
 	const char **sym;