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-rw-r--r--security/smack/smackfs.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 56a1439786a9..49a2248b525c 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -304,6 +304,10 @@ static int smk_perm_from_str(const char *string)
case 'L':
perm |= MAY_LOCK;
break;
+ case 'b':
+ case 'B':
+ perm |= MAY_BRINGUP;
+ break;
default:
return perm;
}
@@ -616,6 +620,8 @@ static void smk_rule_show(struct seq_file *s, struct smack_rule *srp, int max)
seq_putc(s, 't');
if (srp->smk_access & MAY_LOCK)
seq_putc(s, 'l');
+ if (srp->smk_access & MAY_BRINGUP)
+ seq_putc(s, 'b');
seq_putc(s, '\n');
}
@@ -1880,7 +1886,10 @@ static ssize_t smk_user_access(struct file *file, const char __user *buf,
else if (res != -ENOENT)
return -EINVAL;
- data[0] = res == 0 ? '1' : '0';
+ /*
+ * smk_access() can return a value > 0 in the "bringup" case.
+ */
+ data[0] = res >= 0 ? '1' : '0';
data[1] = '\0';
simple_transaction_set(file, 2);