1 files changed, 8 insertions, 4 deletions

diff --git a/kernel/module.c b/kernel/module.c
index 0a049837008e..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);
 }
@@ -1068,7 +1070,8 @@ static inline int check_modstruct_version(Elf_Shdr *sechdrs,
 {
         const unsigned long *crc;
 
-        if (!find_symbol("module_layout", NULL, &crc, true, false))
+        if (!find_symbol(MODULE_SYMBOL_PREFIX "module_layout", NULL,
+                         &crc, true, false))
                 BUG();
         return check_version(sechdrs, versindex, "module_layout", mod, crc);
 }
@@ -2352,7 +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);