linux-kernel - [PATCH 4.19 13/38] usb: renesas_usbhs: Clear pipe running flag in usbhs_pkt

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Message-Id: <20210208145806.663348705@linuxfoundation.org>
Date:   Mon,  8 Feb 2021 16:01:00 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Tho Vu <tho.vu.wh@...esas.com>,
        Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Subject: [PATCH 4.19 13/38] usb: renesas_usbhs: Clear pipe running flag in usbhs_pkt_pop()

From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>

commit 9917f0e3cdba7b9f1a23f70e3f70b1a106be54a8 upstream.

Should clear the pipe running flag in usbhs_pkt_pop(). Otherwise,
we cannot use this pipe after dequeue was called while the pipe was
running.

Fixes: 8355b2b3082d ("usb: renesas_usbhs: fix the behavior of some usbhs_pkt_handle")
Reported-by: Tho Vu <tho.vu.wh@...esas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
Link: https://lore.kernel.org/r/1612183640-8898-1-git-send-email-yoshihiro.shimoda.uh@renesas.com
Cc: stable <stable@...r.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/usb/renesas_usbhs/fifo.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/renesas_usbhs/fifo.c
+++ b/drivers/usb/renesas_usbhs/fifo.c
@@ -126,6 +126,7 @@ struct usbhs_pkt *usbhs_pkt_pop(struct u
 		}
 
 		usbhs_pipe_clear_without_sequence(pipe, 0, 0);
+		usbhs_pipe_running(pipe, 0);
 
 		__usbhsf_pkt_del(pkt);
 	}