Merge tag 'nfs-for-3.11-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs

[cascardo/linux.git] / security / smack / smack_lsm.c

diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 6a08330..3f7682a 100644 (file)
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -3639,6 +3639,16 @@ static void smack_audit_rule_free(void *vrule)
 
 #endif /* CONFIG_AUDIT */
 
+/**
+ * smack_ismaclabel - check if xattr @name references a smack MAC label
+ * @name: Full xattr name to check.
+ */
+static int smack_ismaclabel(const char *name)
+{
+       return (strcmp(name, XATTR_SMACK_SUFFIX) == 0);
+}
+
+
 /**
  * smack_secid_to_secctx - return the smack label for a secid
  * @secid: incoming integer
@@ -3836,6 +3846,7 @@ struct security_operations smack_ops = {
        .audit_rule_free =              smack_audit_rule_free,
 #endif /* CONFIG_AUDIT */
 
+       .ismaclabel =                   smack_ismaclabel,
        .secid_to_secctx =              smack_secid_to_secctx,
        .secctx_to_secid =              smack_secctx_to_secid,
        .release_secctx =               smack_release_secctx,