From f429ea3f3488e1a0683f6f9ce76b420b5ebd2d63 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 21 Apr 2011 14:10:24 +0900
Subject: [PATCH] usb: renesas_usbhs: add error reason for usbhs_pipe_malloc

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
 drivers/usb/renesas_usbhs/pipe.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index 4852c073e2f5..5897ddad05f2 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -758,8 +758,11 @@ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv,
 	u16 pipecfg, pipebuf, pipemaxp;
 
 	pipe = usbhsp_get_pipe(priv, usb_endpoint_type(desc));
-	if (!pipe)
+	if (!pipe) {
+		dev_err(dev, "can't get pipe (%s)\n",
+			usbhsp_pipe_name[usb_endpoint_type(desc)]);
 		return NULL;
+	}
 
 	usbhs_fifo_disable(pipe);
 
-- 
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