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-rw-r--r--net/sunrpc/sysctl.c18
1 files changed, 4 insertions, 14 deletions
diff --git a/net/sunrpc/sysctl.c b/net/sunrpc/sysctl.c
index 0f8c439b848..5231f7aaac0 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