[PATCH] fix "no member named 'sect_attrs' of strcut module"

[Wu Zhangjin <wuzhangjin@gmail.com>]

From: Wu Zhangjin <wuzhangjin@gmail.com>

The commit(1b364bf438cf337a3818aee77d68c0713f3e1fc4, "module: workaround
duplicate section names") introduced a condition to avoid null pointer
reference:

-       add_notes_attrs(mod, hdr->e_shnum, secstrings, sechdrs);
+       if (mod->sect_attrs)
+               add_notes_attrs(mod, hdr->e_shnum, secstrings, sechdrs);

but sect_attrs is only defined when CONFIG_KALLSYMS enabled, so this
patch is need to fix the following error:

error: 'struct module' has no member named 'sect_attrs'

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
---
 kernel/module.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/module.c b/kernel/module.c
index eccb561..b4016d1 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2355,8 +2355,10 @@ static noinline struct module *load_module(void __user *umod,
 	if (err < 0)
 		goto unlink;
 	add_sect_attrs(mod, hdr->e_shnum, secstrings, sechdrs);
+#ifdef CONFIG_KALLSYMS
 	if (mod->sect_attrs)
 		add_notes_attrs(mod, hdr->e_shnum, secstrings, sechdrs);
+#endif
 
 	/* Get rid of temporary copy */
 	vfree(hdr);
-- 
1.6.2.1