From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Prashanth K <prashanth.k@oss.qualcomm.com>
Cc: Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] usb: dwc3: host: Mark dwc->xhci as null if xhci probe fails
Date: Wed, 14 Oct 2026 13:17:22 +0200 [thread overview]
Message-ID: <2026101452-wow-scarecrow-c7d8@gregkh> (raw)
In-Reply-To: <20261014105711.1708244-1-prashanth.k@oss.qualcomm.com>
On Wed, Oct 14, 2026 at 04:27:11PM +0530, Prashanth K wrote:
> Currently dwc->xhci is not cleared when xhci_plat_probe fails,
> leading to null pointer dereference in dwc3_qcom_read_usb2_speed.
Why would that happen? What causes it and requires it?
> Mark the xhci pointer as NULL to prevent this.
>
> Signed-off-by: Prashanth K <prashanth.k@oss.qualcomm.com>
What commit id does this fix?
How was it tested?
thanks,
greg k-h
next prev parent reply other threads:[~2026-10-14 11:17 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-14 10:57 [PATCH] usb: dwc3: host: Mark dwc->xhci as null if xhci probe fails Prashanth K
2026-10-14 11:07 ` sashiko-bot
2026-10-14 11:17 ` Greg Kroah-Hartman [this message]
2026-10-14 11:25 ` Prashanth K
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