From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Minas Harutyunyan <minas.harutyunyan@synopsys.com>,
Minas Harutyunyan <hminas@synopsys.com>,
Felipe Balbi <felipe.balbi@linux.intel.com>,
Sasha Levin <sashal@kernel.org>,
linux-usb@vger.kernel.org
Subject: [PATCH AUTOSEL 4.14 179/371] dwc2: gadget: Fix completed transfer size calculation in DDMA
Date: Thu, 16 Jan 2020 12:20:51 -0500 [thread overview]
Message-ID: <20200116172403.18149-122-sashal@kernel.org> (raw)
In-Reply-To: <20200116172403.18149-1-sashal@kernel.org>
From: Minas Harutyunyan <minas.harutyunyan@synopsys.com>
[ Upstream commit 5acb4b970184d189d901192d075997c933b82260 ]
Fix calculation of transfer size on completion in function
dwc2_gadget_get_xfersize_ddma().
Added increment of descriptor pointer to move to next descriptor in
the loop.
Fixes: aa3e8bc81311 ("usb: dwc2: gadget: DDMA transfer start and complete")
Signed-off-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/usb/dwc2/gadget.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index e164439b2154..4af9a1c652ed 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2276,6 +2276,7 @@ static unsigned int dwc2_gadget_get_xfersize_ddma(struct dwc2_hsotg_ep *hs_ep)
if (status & DEV_DMA_STS_MASK)
dev_err(hsotg->dev, "descriptor %d closed with %x\n",
i, status & DEV_DMA_STS_MASK);
+ desc++;
}
return bytes_rem;
--
2.20.1
next prev parent reply other threads:[~2020-01-16 18:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200116172403.18149-1-sashal@kernel.org>
2020-01-16 17:19 ` [PATCH AUTOSEL 4.14 098/371] usb: phy: twl6030-usb: fix possible use-after-free on remove Sasha Levin
2020-01-16 17:19 ` [PATCH AUTOSEL 4.14 106/371] cdc-wdm: pass return value of recover_from_urb_loss Sasha Levin
2020-01-16 17:20 ` [PATCH AUTOSEL 4.14 178/371] usb: gadget: fsl: fix link error against usb-gadget module Sasha Levin
2020-01-16 17:20 ` Sasha Levin [this message]
2020-01-16 17:22 ` [PATCH AUTOSEL 4.14 253/371] usb: host: xhci-hub: fix extra endianness conversion Sasha Levin
2020-01-16 17:23 ` [PATCH AUTOSEL 4.14 321/371] USB: usb-skeleton: fix use-after-free after driver unbind Sasha Levin
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