efivarfs: Limit the rate for non-root to read files

[sfrench/cifs-2.6.git] / kernel / user.c

diff --git a/kernel/user.c b/kernel/user.c
index 9a20acce460d53cf23f7057c7dc122b685ae639d..36288d8406756400f5008ee0631b810301504e0d 100644 (file)
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -101,6 +101,7 @@ struct user_struct root_user = {
        .sigpending     = ATOMIC_INIT(0),
        .locked_shm     = 0,
        .uid            = GLOBAL_ROOT_UID,
+       .ratelimit      = RATELIMIT_STATE_INIT(root_user.ratelimit, 0, 0),
 };
 
 /*
@@ -191,6 +192,8 @@ struct user_struct *alloc_uid(kuid_t uid)
 
                new->uid = uid;
                atomic_set(&new->__count, 1);
+               ratelimit_state_init(&new->ratelimit, HZ, 100);
+               ratelimit_set_flags(&new->ratelimit, RATELIMIT_MSG_ON_RELEASE);
 
                /*
                 * Before adding this, check whether we raced