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

[Jarkko Sakkinen]

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@xxxxxxxxx>
---
 security/smack/smackfs.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 54f6e18..5498c4a 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;
-- 
1.7.4.1

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