Smack: fix for /smack/access output, use string instead of byte

Small fix for the output of access SmackFS file. Use string
is instead of byte. Makes it easier to extend API if it is
needed.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@intel.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 54f6e18dea2f..5498c4a2d1ae 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -1497,6 +1497,7 @@ static ssize_t smk_write_access(struct file *file, const char __user *buf,
 {
         struct smack_rule rule;
         char *data;
+        int res;
 
         if (!capable(CAP_MAC_ADMIN))
                 return -EPERM;
@@ -1508,8 +1509,10 @@ static ssize_t smk_write_access(struct file *file, const char __user *buf,
         if (count < SMK_LOADLEN || smk_parse_rule(data, &rule))
                 return -EINVAL;
 
-        data[0] = smk_access(rule.smk_subject, rule.smk_object,
-                             rule.smk_access, NULL) == 0;
+        res = smk_access(rule.smk_subject, rule.smk_object, rule.smk_access,
+                          NULL);
+        data[0] = res == 0 ? '1' : '0';
+        data[1] = '\0';
 
         simple_transaction_set(file, 1);
         return SMK_LOADLEN;