1 files changed, 3 insertions, 0 deletions

diff --git a/kernel/params.c b/kernel/params.c
index 0af9b2c4e56c..728e05b167de 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -642,12 +642,15 @@ static __modinit int add_sysfs_param(struct module_kobject *mk,
         mk->mp->grp.attrs = new_attrs;
 
         /* Tack new one on the end. */
+        memset(&mk->mp->attrs[mk->mp->num], 0, sizeof(mk->mp->attrs[0]));
         sysfs_attr_init(&mk->mp->attrs[mk->mp->num].mattr.attr);
         mk->mp->attrs[mk->mp->num].param = kp;
         mk->mp->attrs[mk->mp->num].mattr.show = param_attr_show;
         /* Do not allow runtime DAC changes to make param writable. */
         if ((kp->perm & (S_IWUSR | S_IWGRP | S_IWOTH)) != 0)
                 mk->mp->attrs[mk->mp->num].mattr.store = param_attr_store;
+        else
+                mk->mp->attrs[mk->mp->num].mattr.store = NULL;
         mk->mp->attrs[mk->mp->num].mattr.attr.name = (char *)name;
         mk->mp->attrs[mk->mp->num].mattr.attr.mode = kp->perm;
         mk->mp->num++;