diff options
Diffstat (limited to 'net/netlabel/netlabel_mgmt.c')
| -rw-r--r-- | net/netlabel/netlabel_mgmt.c | 63 |
1 files changed, 3 insertions, 60 deletions
diff --git a/net/netlabel/netlabel_mgmt.c b/net/netlabel/netlabel_mgmt.c index 9c41464..e2258dc 100644 --- a/net/netlabel/netlabel_mgmt.c +++ b/net/netlabel/netlabel_mgmt.c @@ -37,14 +37,14 @@ #include <net/genetlink.h> #include <net/netlabel.h> #include <net/cipso_ipv4.h> +#include <asm/atomic.h> #include "netlabel_domainhash.h" #include "netlabel_user.h" #include "netlabel_mgmt.h" -/* NetLabel configured protocol count */ -static DEFINE_SPINLOCK(netlabel_mgmt_protocount_lock); -static u32 netlabel_mgmt_protocount = 0; +/* NetLabel configured protocol counter */ +atomic_t netlabel_mgmt_protocount = ATOMIC_INIT(0); /* Argument struct for netlbl_domhsh_walk() */ struct netlbl_domhsh_walk_arg { @@ -71,63 +71,6 @@ static const struct nla_policy netlbl_mgmt_genl_policy[NLBL_MGMT_A_MAX + 1] = { }; /* - * NetLabel Misc Management Functions - */ - -/** - * netlbl_mgmt_protocount_inc - Increment the configured labeled protocol count - * - * Description: - * Increment the number of labeled protocol configurations in the current - * NetLabel configuration. Keep track of this for use in determining if - * NetLabel label enforcement should be active/enabled or not in the LSM. - * - */ -void netlbl_mgmt_protocount_inc(void) -{ - spin_lock(&netlabel_mgmt_protocount_lock); - netlabel_mgmt_protocount++; - spin_unlock(&netlabel_mgmt_protocount_lock); -} - -/** - * netlbl_mgmt_protocount_dec - Decrement the configured labeled protocol count - * - * Description: - * Decrement the number of labeled protocol configurations in the current - * NetLabel configuration. Keep track of this for use in determining if - * NetLabel label enforcement should be active/enabled or not in the LSM. - * - */ -void netlbl_mgmt_protocount_dec(void) -{ - spin_lock(&netlabel_mgmt_protocount_lock); - if (netlabel_mgmt_protocount > 0) - netlabel_mgmt_protocount--; - spin_unlock(&netlabel_mgmt_protocount_lock); -} - -/** - * netlbl_mgmt_protocount_value - Return the number of configured protocols - * - * Description: - * Return the number of labeled protocols in the current NetLabel - * configuration. This value is useful in determining if NetLabel label - * enforcement should be active/enabled or not in the LSM. - * - */ -u32 netlbl_mgmt_protocount_value(void) -{ - u32 val; - - rcu_read_lock(); - val = netlabel_mgmt_protocount; - rcu_read_unlock(); - - return val; -} - -/* * NetLabel Command Handlers */ |