The patch below does not apply to the 4.4-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... 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); }