1 files changed, 3 insertions, 7 deletions

diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index 59030570f5ca..1357c5786064 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -13,6 +13,7 @@
 #include <linux/file.h>
 #include <linux/ctype.h>
 #include <linux/netdevice.h>
+#include <linux/kernel.h>
 #include <linux/slab.h>
 
 #ifdef CONFIG_SYSCTL_SYSCALL
@@ -224,7 +225,6 @@ static const struct bin_table bin_net_ipv4_route_table[] = {
         { CTL_INT,      NET_IPV4_ROUTE_MTU_EXPIRES,             "mtu_expires" },
         { CTL_INT,      NET_IPV4_ROUTE_MIN_PMTU,                "min_pmtu" },
         { CTL_INT,      NET_IPV4_ROUTE_MIN_ADVMSS,              "min_adv_mss" },
-        { CTL_INT,      NET_IPV4_ROUTE_SECRET_INTERVAL,         "secret_interval" },
         {}
 };
 
@@ -1125,11 +1125,6 @@ out:
         return result;
 }
 
-static unsigned hex_value(int ch)
-{
-        return isdigit(ch) ? ch - '0' : ((ch | 0x20) - 'a') + 10;
-}
-
 static ssize_t bin_uuid(struct file *file,
         void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
 {
@@ -1157,7 +1152,8 @@ static ssize_t bin_uuid(struct file *file,
                         if (!isxdigit(str[0]) || !isxdigit(str[1]))
                                 goto out;
 
-                        uuid[i] = (hex_value(str[0]) << 4) | hex_value(str[1]);
+                        uuid[i] = (hex_to_bin(str[0]) << 4) |
+                                        hex_to_bin(str[1]);
                         str += 2;
                         if (*str == '-')
                                 str++;