From: Ran Wang <ran.wang_1@nxp.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Peter Chen <peter.chen@nxp.com>, Jun Li <jun.li@nxp.com>,
linux-usb@vger.kernel.org (open list:USB SUBSYSTEM),
linux-kernel@vger.kernel.org (open list),
Ran Wang <ran.wang_1@nxp.com>
Subject: [PATCH] usb: host: fsl-mph-dr-of: check return of dma_set_mask()
Date: Sat, 10 Oct 2020 14:03:08 +0800 [thread overview]
Message-ID: <20201010060308.33693-1-ran.wang_1@nxp.com> (raw)
fsl_usb2_device_register() should stop init if dma_set_mask() return
error.
Fixes: cae058610465 ("drivers/usb/host: fsl: Set DMA_MASK of usb platform device")
Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
---
drivers/usb/host/fsl-mph-dr-of.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
index ae8f60f..44a7e58 100644
--- a/drivers/usb/host/fsl-mph-dr-of.c
+++ b/drivers/usb/host/fsl-mph-dr-of.c
@@ -94,10 +94,13 @@ static struct platform_device *fsl_usb2_device_register(
pdev->dev.coherent_dma_mask = ofdev->dev.coherent_dma_mask;
- if (!pdev->dev.dma_mask)
+ if (!pdev->dev.dma_mask) {
pdev->dev.dma_mask = &ofdev->dev.coherent_dma_mask;
- else
- dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
+ } else {
+ retval = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
+ if (retval)
+ goto error;
+ }
retval = platform_device_add_data(pdev, pdata, sizeof(*pdata));
if (retval)
--
2.7.4
next reply other threads:[~2020-10-10 6:13 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-10 6:03 Ran Wang [this message]
2020-10-10 23:40 ` [PATCH] usb: host: fsl-mph-dr-of: check return of dma_set_mask() Peter Chen
2020-10-14 7:49 ` Ran Wang
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