Merge branch 'core/xen' into x86/xen

1 files changed, 4 insertions, 14 deletions

diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c
index 0f8c439b848a..5231f7aaac0e 100644
--- a/net/sunrpc/sysctl.c
+++ b/net/sunrpc/sysctl.c
@@ -60,24 +60,14 @@ static int proc_do_xprt(ctl_table *table, int write, struct file *file,
                         void __user *buffer, size_t *lenp, loff_t *ppos)
 {
         char tmpbuf[256];
-        int len;
+        size_t len;
+
         if ((*ppos && !write) || !*lenp) {
                 *lenp = 0;
                 return 0;
         }
-        if (write)
-                return -EINVAL;
-        else {
-                len = svc_print_xprts(tmpbuf, sizeof(tmpbuf));
-                if (!access_ok(VERIFY_WRITE, buffer, len))
-                        return -EFAULT;
-
-                if (__copy_to_user(buffer, tmpbuf, len))
-                        return -EFAULT;
-        }
-        *lenp -= len;
-        *ppos += len;
-        return 0;
+        len = svc_print_xprts(tmpbuf, sizeof(tmpbuf));
+        return simple_read_from_buffer(buffer, *lenp, ppos, tmpbuf, len);
 }
 
 static int