From: Jules Maselbas <jmaselbas@kalray.eu>
To: Barebox List <barebox@lists.infradead.org>
Cc: Jules Maselbas <jmaselbas@kalray.eu>,
Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: [PATCH v4 06/13] usb: dwc2: host: Handle dma mapping errors
Date: Tue, 11 Aug 2020 17:16:30 +0200 [thread overview]
Message-ID: <20200811151637.17705-7-jmaselbas@kalray.eu> (raw)
In-Reply-To: <20200811151637.17705-1-jmaselbas@kalray.eu>
Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu>
---
drivers/usb/dwc2/host.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/usb/dwc2/host.c b/drivers/usb/dwc2/host.c
index ea2facbc8..ccc32ba04 100644
--- a/drivers/usb/dwc2/host.c
+++ b/drivers/usb/dwc2/host.c
@@ -157,6 +157,11 @@ static int transfer_chunk(struct dwc2 *dwc2, u8 hc,
dma_addr = dma_map_single(dwc2->dev, buffer, xfer_len,
in ? DMA_FROM_DEVICE : DMA_TO_DEVICE);
+ if (dma_mapping_error(dwc2->dev, dma_addr)) {
+ dwc2_err(dwc2, "Failed to map buffer@0x%p for dma\n", buffer);
+ return -EFAULT;
+ }
+
dwc2_dbg(dwc2, "chunk: pid=%d xfer_len=%u pkts=%u dma_addr=%pad\n",
*pid, xfer_len, num_packets, (void *)dma_addr);
--
2.17.1
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next prev parent reply other threads:[~2020-08-11 15:16 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-11 15:16 [PATCH v4 00/13] usb: dwc2: Add host and gadget driver Jules Maselbas
2020-08-11 15:16 ` [PATCH v4 01/13] Revert "usb: Add dwc2 host driver" Jules Maselbas
2020-08-11 15:16 ` [PATCH v4 02/13] usb: dwc2: Add host controller driver Jules Maselbas
2020-08-14 6:21 ` Sascha Hauer
2020-08-14 8:15 ` Jules Maselbas
2020-08-14 13:12 ` Sascha Hauer
2020-08-11 15:16 ` [PATCH v4 03/13] usb: dwc2: host: Read dr_mode from device tree Jules Maselbas
2020-08-11 15:16 ` [PATCH v4 04/13] usb: dwc2: Rework roothub interface Jules Maselbas
2020-08-11 15:16 ` [PATCH v4 05/13] usb: dwc2: Rework timeout Jules Maselbas
2020-08-11 15:16 ` Jules Maselbas [this message]
2020-08-11 15:16 ` [PATCH v4 07/13] usb: dwc2: host: Dynamic fifo size support from Linux Jules Maselbas
2020-08-11 15:16 ` [PATCH v4 08/13] usb: dwc2: host: Fix toggle reset Jules Maselbas
2020-08-11 15:16 ` [PATCH v4 09/13] usb: dwc2: host: Rewrite dwc2_hc_init Jules Maselbas
2020-08-11 15:16 ` [PATCH v4 10/13] usb: dwc2: Add function to flush tx fifo Jules Maselbas
2020-08-11 15:16 ` [PATCH v4 11/13] usb: dwc2: Add structure for gadget driver Jules Maselbas
2020-08-11 15:16 ` [PATCH v4 12/13] usb: dwc2: Add " Jules Maselbas
2020-08-11 15:16 ` [PATCH v4 13/13] usb: dwc2: Use register_otg_device Jules Maselbas
2020-08-14 13:12 ` [PATCH v4 00/13] usb: dwc2: Add host and gadget driver Sascha Hauer
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