[PATCH] Fix sysctl unregistration oops (CVE-2005-2709)

[sfrench/cifs-2.6.git] / include / linux / sysctl.h

diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
index fc8e367f671e11bccc88faccb6247ce0017e5009..fc131d6602b989a289f0bd9ff3f4c4f1aa987c71 100644 (file)
--- a/include/linux/sysctl.h
+++ b/include/linux/sysctl.h
@@ -24,6 +24,7 @@
 #include <linux/compiler.h>
 
 struct file;
+struct completion;
 
 #define CTL_MAXNAME 10         /* how many path components do we allow in a
                                   call to sysctl?   In other words, what is
@@ -925,6 +926,8 @@ struct ctl_table_header
 {
        ctl_table *ctl_table;
        struct list_head ctl_entry;
+       int used;
+       struct completion *unregistering;
 };
 
 struct ctl_table_header * register_sysctl_table(ctl_table * table,