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Commit b0d65902 authored by Vardan Mikayelyan's avatar Vardan Mikayelyan Committed by Felipe Balbi
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usb: dwc2: host: Setting qtd to NULL after freeing it 



This is safety change added while doing slub debugging.

Affected functions:
dwc2_hcd_qtd_unlink_and_free()
_dwc2_hcd_urb_enqueue()

Signed-off-by: default avatarVardan Mikayelyan <mvardan@synopsys.com>
Signed-off-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent ee3de8d7

drivers/usb/dwc2/hcd.c

+1 −0
Original line number Diff line number Diff line
@@ -4703,6 +4703,7 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, 
	spin_unlock_irqrestore(&hsotg->lock, flags);

	urb->hcpriv = NULL;

	kfree(qtd);

	qtd = NULL;

fail1:

	if (qh_allocated) {

		struct dwc2_qtd *qtd2, *qtd2_tmp;

drivers/usb/dwc2/hcd.h

+1 −0
Original line number Diff line number Diff line
@@ -552,6 +552,7 @@ static inline void dwc2_hcd_qtd_unlink_and_free(struct dwc2_hsotg *hsotg, 
{

	list_del(&qtd->qtd_list_entry);

	kfree(qtd);

	qtd = NULL;

}



/* Descriptor DMA support functions */