smack: do not beyond ARRAY_SIZE of data

Do not go beyond ARRAY_SIZE of data

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 904af3483286..8d3c2a051c7b 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -776,7 +776,7 @@ static ssize_t smk_write_netlbladdr(struct file *file, const char __user *buf,
         struct sockaddr_in newname;
         char smack[SMK_LABELLEN];
         char *sp;
-        char data[SMK_NETLBLADDRMAX];
+        char data[SMK_NETLBLADDRMAX + 1];
         char *host = (char *)&newname.sin_addr.s_addr;
         int rc;
         struct netlbl_audit audit_info;