diff options
| author | Vardan Mikayelyan <mvardan@synopsys.com> | 2016-04-28 03:20:51 (GMT) |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-04-28 06:41:12 (GMT) |
| commit | b0d659022e5c96ee5c4bd62d22d3da2d66de306b (patch) | |
| tree | 78eab31ee45240d425a627de6b81293e6b8492d2 /drivers/usb/dwc2 | |
| parent | ee3de8d750134703c702534173cd8623d1b32c38 (diff) | |
| download | linux-b0d659022e5c96ee5c4bd62d22d3da2d66de306b.tar.xz | |
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: Vardan Mikayelyan <mvardan@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc2')
| -rw-r--r-- | drivers/usb/dwc2/hcd.c | 1 | ||||
| -rw-r--r-- | drivers/usb/dwc2/hcd.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 1f62551..2df3d04 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -4703,6 +4703,7 @@ fail2: spin_unlock_irqrestore(&hsotg->lock, flags); urb->hcpriv = NULL; kfree(qtd); + qtd = NULL; fail1: if (qh_allocated) { struct dwc2_qtd *qtd2, *qtd2_tmp; diff --git a/drivers/usb/dwc2/hcd.h b/drivers/usb/dwc2/hcd.h index 89fa26c..7758bfb 100644 --- a/drivers/usb/dwc2/hcd.h +++ b/drivers/usb/dwc2/hcd.h @@ -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 */ |