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authorIngo Molnar <mingo@elte.hu>2009-09-02 21:42:56 +0200
committerIngo Molnar <mingo@elte.hu>2009-09-02 21:42:59 +0200
commitf76bd108e5031202bb40849306f98c4afebe4ef6 (patch)
tree455e14a23642a82513eebd4e4f7d3b76842869cd /kernel/module.c
parentcd6feeeafddbef6abfe4d90fb26e42fd844d34ed (diff)
parenteced1dfcfcf6b0a35e925d73916a9d8e36ab5457 (diff)
Merge branch 'perfcounters/urgent' into perfcounters/core
Merge reason: We are going to modify a place modified by perfcounters/urgent. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/module.c')
-rw-r--r--kernel/module.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/module.c b/kernel/module.c
index fd1411403558..eccb561dd8a3 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -909,16 +909,18 @@ void __symbol_put(const char *symbol)
}
EXPORT_SYMBOL(__symbol_put);
+/* Note this assumes addr is a function, which it currently always is. */
void symbol_put_addr(void *addr)
{
struct module *modaddr;
+ unsigned long a = (unsigned long)dereference_function_descriptor(addr);
- if (core_kernel_text((unsigned long)addr))
+ if (core_kernel_text(a))
return;
/* module_text_address is safe here: we're supposed to have reference
* to module from symbol_get, so it can't go away. */
- modaddr = __module_text_address((unsigned long)addr);
+ modaddr = __module_text_address(a);
BUG_ON(!modaddr);
module_put(modaddr);
}
@@ -2353,7 +2355,8 @@ static noinline struct module *load_module(void __user *umod,
if (err < 0)
goto unlink;
add_sect_attrs(mod, hdr->e_shnum, secstrings, sechdrs);
- add_notes_attrs(mod, hdr->e_shnum, secstrings, sechdrs);
+ if (mod->sect_attrs)
+ add_notes_attrs(mod, hdr->e_shnum, secstrings, sechdrs);
/* Get rid of temporary copy */
vfree(hdr);