[RESEND PATCH] usb: dwc3: fix NULL pointer issue

The phy_bulk pointer *usb_phys is used before allocated, fix it by using a phy_bulk variable instead in xhci_dwc3_platdata struct
Signed-off-by: Chunfeng Yun chunfeng.yun@mediatek.com --- drivers/usb/host/xhci-dwc3.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index 563db1a426..51c04a9de2 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -19,7 +19,7 @@ #include <linux/usb/otg.h>
struct xhci_dwc3_platdata { - struct phy_bulk *usb_phys; + struct phy_bulk phys; };
void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode) @@ -124,7 +124,7 @@ static int xhci_dwc3_probe(struct udevice *dev) hcor = (struct xhci_hcor *)((uintptr_t)hccr + HC_LENGTH(xhci_readl(&(hccr)->cr_capbase)));
- ret = dwc3_setup_phy(dev, plat->usb_phys); + ret = dwc3_setup_phy(dev, &plat->phys); if (ret && (ret != -ENOTSUPP)) return ret;
@@ -167,7 +167,7 @@ static int xhci_dwc3_remove(struct udevice *dev) { struct xhci_dwc3_platdata *plat = dev_get_platdata(dev);
- dwc3_shutdown_phy(dev, plat->usb_phys); + dwc3_shutdown_phy(dev, &plat->phys);
return xhci_deregister(dev); }

Hi Marek,
On Thu, 2020-05-14 at 13:55 +0800, Chunfeng Yun wrote:
The phy_bulk pointer *usb_phys is used before allocated, fix it by using a phy_bulk variable instead in xhci_dwc3_platdata struct
Signed-off-by: Chunfeng Yun chunfeng.yun@mediatek.com
drivers/usb/host/xhci-dwc3.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/usb/host/xhci-dwc3.c b/drivers/usb/host/xhci-dwc3.c index 563db1a426..51c04a9de2 100644 --- a/drivers/usb/host/xhci-dwc3.c +++ b/drivers/usb/host/xhci-dwc3.c @@ -19,7 +19,7 @@ #include <linux/usb/otg.h>
struct xhci_dwc3_platdata {
- struct phy_bulk *usb_phys;
- struct phy_bulk phys;
};
void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode) @@ -124,7 +124,7 @@ static int xhci_dwc3_probe(struct udevice *dev) hcor = (struct xhci_hcor *)((uintptr_t)hccr + HC_LENGTH(xhci_readl(&(hccr)->cr_capbase)));
- ret = dwc3_setup_phy(dev, plat->usb_phys);
- ret = dwc3_setup_phy(dev, &plat->phys); if (ret && (ret != -ENOTSUPP)) return ret;
@@ -167,7 +167,7 @@ static int xhci_dwc3_remove(struct udevice *dev) { struct xhci_dwc3_platdata *plat = dev_get_platdata(dev);
- dwc3_shutdown_phy(dev, plat->usb_phys);
dwc3_shutdown_phy(dev, &plat->phys);
return xhci_deregister(dev);
}
Would you please help to pick up this patch? This bug is introduced when I support MTK xHCI driver. Thanks

On 5/20/20 9:53 AM, Chunfeng Yun wrote:
Hi Marek,
On Thu, 2020-05-14 at 13:55 +0800, Chunfeng Yun wrote:
The phy_bulk pointer *usb_phys is used before allocated, fix it by using a phy_bulk variable instead in xhci_dwc3_platdata struct
I'm never receiving the emails to the denx address listed in the MAINTAINERS, any ideas why ?
Anyway, I'll pick this one, thanks.

Hi Marek, On Wed, 2020-05-20 at 13:44 +0200, Marek Vasut wrote:
On 5/20/20 9:53 AM, Chunfeng Yun wrote:
Hi Marek,
On Thu, 2020-05-14 at 13:55 +0800, Chunfeng Yun wrote:
The phy_bulk pointer *usb_phys is used before allocated, fix it by using a phy_bulk variable instead in xhci_dwc3_platdata struct
I'm never receiving the emails to the denx address listed in the MAINTAINERS, any ideas why ?
I received the following email when I sent out this patch. It seems the email is sent out, but rejected by server of denx
------------------------
Delivery has failed to these recipients or groups:
marex@denx.de A problem occurred while delivering this message to this email address. Try sending this message again. If the problem continues, please contact your helpdesk.
The following organization rejected your message: mail-in.m-online.net [212.114.242.10].
Diagnostic information for administrators:
Generating server: mailgw01.mediatek.com marex@denx.de mail-in.m-online.net [212.114.242.10] Remote Server returned '<mail-in.m-online.net [212.114.242.10] #5.0.0 SMTP; mail-in.m-online.net {mxin-2.m-online.net} ESMTP>' Original message headers:
X-UUID: 6e032eea3af94db48b3664ec8823e2a7-20200520 Received: from mtkcas32.mediatek.inc [(172.27.4.253)] by mailgw01.mediatek.com (envelope-from chunfeng.yun@mediatek.com) (mailgw01.mediatek.com ESMTP with TLS) with ESMTP id 2105128150; Wed, 20 May 2020 15:55:38 +0800 Received: from MTKCAS36.mediatek.inc (172.27.4.186) by MTKMBS31DR.mediatek.inc (172.27.6.102) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 20 May 2020 15:55:29 +0800 Received: from [10.17.3.153] (10.17.3.153) by MTKCAS36.mediatek.inc (172.27.4.170) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 20 May 2020 15:55:29 +0800 Message-ID: 1589961238.5899.11.camel@mhfsdcap03 Subject: Re: [RESEND PATCH] usb: dwc3: fix NULL pointer issue From: Chunfeng Yun chunfeng.yun@mediatek.com To: Marek Vasut marex@denx.de CC: GSS_MTK_Uboot_upstream GSS_MTK_Uboot_upstream@mediatek.com, Ryder Lee ryder.lee@mediatek.com, Weijie Gao weijie.gao@mediatek.com, u-boot@lists.denx.de Date: Wed, 20 May 2020 15:53:58 +0800 In-Reply-To: 1589435712-8795-1-git-send-email-chunfeng.yun@mediatek.com References: 1589435712-8795-1-git-send-email-chunfeng.yun@mediatek.com Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 Return-Path: chunfeng.yun@mediatek.com X-TM-SNTS-SMTP: E0F7570E13FD8D3A61E4045528ADEB2EACBDAE6D62C5746A8BE200F57E6BB7C92000:8 X-MTK: N Content-Transfer-Encoding: base64
Anyway, I'll pick this one, thanks.
participants (2)
-
Chunfeng Yun
-
Marek Vasut