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authorPaul Moore <paul.moore@hp.com>2008-01-29 08:37:52 -0500
committerJames Morris <jmorris@namei.org>2008-01-30 08:17:16 +1100
commitc783f1ce5712530ba404807c55d77ac782eb8a7d (patch)
tree3153ec98b5c6d57eb5a0aad43389d4faa6d63586 /net/netlabel/netlabel_kapi.c
parent0ba6c33bcddc64a54b5f1c25a696c4767dc76292 (diff)
downloadlinux-linaro-c783f1ce5712530ba404807c55d77ac782eb8a7d.tar.gz
NetLabel: Remove unneeded RCU read locks
This patch removes some unneeded RCU read locks as we can treat the reads as "safe" even without RCU. It also converts the NetLabel configuration refcount from a spinlock protected u32 into atomic_t to be more consistent with the rest of the kernel. Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'net/netlabel/netlabel_kapi.c')
-rw-r--r--net/netlabel/netlabel_kapi.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index 4f50949722a..d3762ea2495 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -34,6 +34,7 @@
#include <net/netlabel.h>
#include <net/cipso_ipv4.h>
#include <asm/bug.h>
+#include <asm/atomic.h>
#include "netlabel_domainhash.h"
#include "netlabel_unlabeled.h"
@@ -262,7 +263,7 @@ int netlbl_enabled(void)
/* At some point we probably want to expose this mechanism to the user
* as well so that admins can toggle NetLabel regardless of the
* configuration */
- return (netlbl_mgmt_protocount_value() > 0 ? 1 : 0);
+ return (atomic_read(&netlabel_mgmt_protocount) > 0);
}
/**