+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;
+ 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;
+}
+