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From: Peter Mamonov <pmamonov@gmail.com>
To: barebox@lists.infradead.org
Cc: Peter Mamonov <pmamonov@gmail.com>
Subject: [PATCH] usb: uhci-hcd: fix uhci_alloc_int_td()
Date: Thu, 23 Mar 2017 00:36:15 +0300	[thread overview]
Message-ID: <20170322213615.24527-1-pmamonov@gmail.com> (raw)

Signed-off-by: Peter Mamonov <pmamonov@gmail.com>
---
 drivers/usb/host/uhci-hcd.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 9ad4644e8..04d167ee3 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -554,8 +554,12 @@ static int submit_bulk_msg(struct usb_device *dev, unsigned long pipe,
  */
 static struct uhci_td *uhci_alloc_int_td(struct uhci_priv *uhci)
 {
-	return &uhci->tmp_int_td[0];
+	int i;
 
+	for (i = 0; i < USB_MAX_TEMP_INT_TD; i++)
+		if (uhci->tmp_int_td[i].dev_ptr == 0)
+			return &uhci->tmp_int_td[i];
+	return NULL;
 }
 
 /*
-- 
2.11.0


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             reply	other threads:[~2017-03-22 21:36 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-22 21:36 Peter Mamonov [this message]
2017-03-24  6:20 ` Sascha Hauer
2017-04-05 10:05   ` Peter Mamonov
2017-04-06  7:04     ` Sascha Hauer

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