Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Cc: Eric Paris <eparis@parisplace.org>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 55d92cbb177acaf31a7b84282cf8d56b0c71fbe5..902187657bc2f740750993c4abf44b242ad81d81 100644 (file)
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -752,14 +752,6 @@ out:
        return length;
 }
 
-static inline int hexcode_to_int(int code) {
-       if (code == '\0' || !isxdigit(code))
-               return -1;
-       if (isdigit(code))
-               return code - '0';
-       return tolower(code) - 'a' + 10;
-}
-
 static ssize_t sel_write_create(struct file *file, char *buf, size_t size)
 {
        char *scon = NULL, *tcon = NULL;
@@ -811,9 +803,11 @@ static ssize_t sel_write_create(struct file *file, char *buf, size_t size)
                        if (c1 == '+')
                                c1 = ' ';
                        else if (c1 == '%') {
-                               if ((c1 = hexcode_to_int(*r++)) < 0)
+                               c1 = hex_to_bin(*r++);
+                               if (c1 < 0)
                                        goto out;
-                               if ((c2 = hexcode_to_int(*r++)) < 0)
+                               c2 = hex_to_bin(*r++);
+                               if (c2 < 0)
                                        goto out;
                                c1 = (c1 << 4) | c2;
                        }