USB: EHCI: remove useless test
This patch (as1605) removes a useless test from the EHCI debugfs
code. There's no point checking whether p.qh is non-NULL; we already
know it is and in any case it gets dereferenced aerlier in the
function.
The useless test was identified by smatch.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/usb/host/ehci-dbg.c b/drivers/usb/host/ehci-dbg.c
index f0c00de..1599806 100644
--- a/drivers/usb/host/ehci-dbg.c
+++ b/drivers/usb/host/ehci-dbg.c
@@ -653,10 +653,8 @@
seen [seen_count++].qh = p.qh;
} else
temp = 0;
- if (p.qh) {
- tag = Q_NEXT_TYPE(ehci, hw->hw_next);
- p = p.qh->qh_next;
- }
+ tag = Q_NEXT_TYPE(ehci, hw->hw_next);
+ p = p.qh->qh_next;
break;
case Q_TYPE_FSTN:
temp = scnprintf (next, size,