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From: <gregkh@linuxfoundation.org>
To: yoshihiro.shimoda.uh@renesas.com, gregkh@linuxfoundation.org,
	stable@vger.kernel.org, tho.vu.wh@renesas.com
Cc: <stable@vger.kernel.org>
Subject: FAILED: patch "[PATCH] usb: renesas_usbhs: Clear pipe running flag in" failed to apply to 4.14-stable tree
Date: Mon, 08 Feb 2021 11:00:19 +0100	[thread overview]
Message-ID: <161277841922126@kroah.com> (raw)


The patch below does not apply to the 4.14-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 9917f0e3cdba7b9f1a23f70e3f70b1a106be54a8 Mon Sep 17 00:00:00 2001
From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Date: Mon, 1 Feb 2021 21:47:20 +0900
Subject: [PATCH] usb: renesas_usbhs: Clear pipe running flag in
 usbhs_pkt_pop()

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@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/1612183640-8898-1-git-send-email-yoshihiro.shimoda.uh@renesas.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c
index ac9a81ae8216..e6fa13701808 100644
--- 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 usbhs_pipe *pipe, struct usbhs_pkt *pkt)
 		}
 
 		usbhs_pipe_clear_without_sequence(pipe, 0, 0);
+		usbhs_pipe_running(pipe, 0);
 
 		__usbhsf_pkt_del(pkt);
 	}


             reply	other threads:[~2021-02-08 10:06 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-08 10:00 gregkh [this message]
2021-02-25 21:58 ` FAILED: patch "[PATCH] usb: renesas_usbhs: Clear pipe running flag in" failed to apply to 4.14-stable tree Sudip Mukherjee
2021-03-01 12:45   ` Greg KH

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