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authorAlexey Dobriyan <adobriyan@sw.ru>2007-05-08 00:28:38 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:15:08 -0700
commitae84e324709d6320ed8c1fd7b1736fcbaf26df95 (patch)
treebb3b623f2fd491771c716957622a72e86e9582dd
parent55955aad7c09e4d93029d0cf2d360b41891f2fe4 (diff)
Simplify module_get_kallsym() by dropping length arg
module_get_kallsym() could in theory truncate module symbol name to fit in buffer, but nobody does this. Always use KSYM_NAME_LEN + 1 bytes for name. Suggested by lg^WRusty. Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Acked-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/module.h5
-rw-r--r--kernel/kallsyms.c2
-rw-r--r--kernel/module.c5
3 files changed, 6 insertions, 6 deletions
diff --git a/include/linux/module.h b/include/linux/module.h
index f0b0faf42d5d..799930216626 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -373,7 +373,7 @@ int is_module_address(unsigned long addr);
/* Returns module and fills in value, defined and namebuf, or NULL if
symnum out of range. */
struct module *module_get_kallsym(unsigned int symnum, unsigned long *value,
- char *type, char *name, size_t namelen);
+ char *type, char *name);
/* Look for this name: can be of form module:name. */
unsigned long module_kallsyms_lookup_name(const char *name);
@@ -529,8 +529,7 @@ static inline const char *module_address_lookup(unsigned long addr,
static inline struct module *module_get_kallsym(unsigned int symnum,
unsigned long *value,
- char *type, char *name,
- size_t namelen)
+ char *type, char *name)
{
return NULL;
}
diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c
index 5a0de8409739..d086c91d44ed 100644
--- a/kernel/kallsyms.c
+++ b/kernel/kallsyms.c
@@ -312,7 +312,7 @@ static int get_ksymbol_mod(struct kallsym_iter *iter)
{
iter->owner = module_get_kallsym(iter->pos - kallsyms_num_syms,
&iter->value, &iter->type,
- iter->name, sizeof(iter->name));
+ iter->name);
if (iter->owner == NULL)
return 0;
diff --git a/kernel/module.c b/kernel/module.c
index 9bdbd1217a6f..43a529a1fa48 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -19,6 +19,7 @@
#include <linux/module.h>
#include <linux/moduleloader.h>
#include <linux/init.h>
+#include <linux/kallsyms.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
@@ -2124,7 +2125,7 @@ const char *module_address_lookup(unsigned long addr,
}
struct module *module_get_kallsym(unsigned int symnum, unsigned long *value,
- char *type, char *name, size_t namelen)
+ char *type, char *name)
{
struct module *mod;
@@ -2134,7 +2135,7 @@ struct module *module_get_kallsym(unsigned int symnum, unsigned long *value,
*value = mod->symtab[symnum].st_value;
*type = mod->symtab[symnum].st_info;
strlcpy(name, mod->strtab + mod->symtab[symnum].st_name,
- namelen);
+ KSYM_NAME_LEN + 1);
mutex_unlock(&module_mutex);
return mod;
}