From 3acb458c32293405cf68985b7b3ac5dc0a5e7929 Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Fri, 18 Mar 2011 12:11:07 +0800 Subject: security,rcu: convert call_rcu(user_update_rcu_disposal) to kfree_rcu() The rcu callback user_update_rcu_disposal() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(user_update_rcu_disposal). Signed-off-by: Lai Jiangshan Signed-off-by: Paul E. McKenney Acked-by: David Howells Reviewed-by: Josh Triplett --- security/keys/user_defined.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) (limited to 'security') diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c index c6ca8662a468..f66baf44f32d 100644 --- a/security/keys/user_defined.c +++ b/security/keys/user_defined.c @@ -68,18 +68,6 @@ error: EXPORT_SYMBOL_GPL(user_instantiate); -/* - * dispose of the old data from an updated user defined key - */ -static void user_update_rcu_disposal(struct rcu_head *rcu) -{ - struct user_key_payload *upayload; - - upayload = container_of(rcu, struct user_key_payload, rcu); - - kfree(upayload); -} - /* * update a user defined key * - the key's semaphore is write-locked @@ -114,7 +102,7 @@ int user_update(struct key *key, const void *data, size_t datalen) key->expiry = 0; } - call_rcu(&zap->rcu, user_update_rcu_disposal); + kfree_rcu(zap, rcu); error: return ret; @@ -145,7 +133,7 @@ void user_revoke(struct key *key) if (upayload) { rcu_assign_pointer(key->payload.data, NULL); - call_rcu(&upayload->rcu, user_update_rcu_disposal); + kfree_rcu(upayload, rcu); } } -- cgit v1.2.3-70-g09d2 From 690273fc70e94a07d70044881e5e52926301bcd3 Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Fri, 18 Mar 2011 12:03:19 +0800 Subject: security,rcu: convert call_rcu(sel_netif_free) to kfree_rcu() The rcu callback sel_netif_free() just calls a kfree(), so we use kfree_rcu() instead of the call_rcu(sel_netif_free). Signed-off-by: Lai Jiangshan Acked-by: David S. Miller Signed-off-by: Paul E. McKenney Reviewed-by: Josh Triplett --- security/selinux/netif.c | 18 +----------------- 1 file changed, 1 insertion(+), 17 deletions(-) (limited to 'security') diff --git a/security/selinux/netif.c b/security/selinux/netif.c index d6095d63d831..58cc481c93d5 100644 --- a/security/selinux/netif.c +++ b/security/selinux/netif.c @@ -103,22 +103,6 @@ static int sel_netif_insert(struct sel_netif *netif) return 0; } -/** - * sel_netif_free - Frees an interface entry - * @p: the entry's RCU field - * - * Description: - * This function is designed to be used as a callback to the call_rcu() - * function so that memory allocated to a hash table interface entry can be - * released safely. - * - */ -static void sel_netif_free(struct rcu_head *p) -{ - struct sel_netif *netif = container_of(p, struct sel_netif, rcu_head); - kfree(netif); -} - /** * sel_netif_destroy - Remove an interface record from the table * @netif: the existing interface record @@ -131,7 +115,7 @@ static void sel_netif_destroy(struct sel_netif *netif) { list_del_rcu(&netif->list); sel_netif_total--; - call_rcu(&netif->rcu_head, sel_netif_free); + kfree_rcu(netif, rcu_head); } /** -- cgit v1.2.3-70-g09d2