From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 21 Apr 2011 05:10:24 +0000 (+0900)
Subject: usb: renesas_usbhs: add error reason for usbhs_pipe_malloc
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f429ea3f3488e1a0683f6f9ce76b420b5ebd2d63;p=linux-beck.git

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>
---

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);