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>

diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 54f6e18dea2f4112c2eedd92a73c70466197fb03..5498c4a2d1aec84c386bd8272ea75d4224951d82 100644 (file)
--- 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;