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authorLinus Torvalds <[email protected]>2016-02-28 07:37:30 -0800
committerLinus Torvalds <[email protected]>2016-02-28 07:37:30 -0800
commit62718e304aa603b1fcea9f965c604fc652ac87ba (patch)
tree4bbece25c0b9277980ebd232f097ca33e41fb5e4 /drivers/usb/dwc2/hcd_intr.c
parent12b9fa6a97b3150477ab182e321be512b59fa899 (diff)
parent428b315a2475d614d6efbdbeaa13f3977416b21a (diff)
Merge tag 'usb-4.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH: "Here are a few USB fixes for 4.5-rc6 They fix a reported bug for some USB 3 devices by reverting the recent patch, a MAINTAINERS change for some drivers, some new device ids, and of course, the usual bunch of USB gadget driver fixes. All have been in linux-next for a while with no reported issues" * tag 'usb-4.5-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: MAINTAINERS: drop OMAP USB and MUSB maintainership usb: musb: fix DMA for host mode usb: phy: msm: Trigger USB state detection work in DRD mode usb: gadget: net2280: fix endpoint max packet for super speed connections usb: gadget: gadgetfs: unregister gadget only if it got successfully registered usb: gadget: remove driver from pending list on probe error Revert "usb: hub: do not clear BOS field during reset device" usb: chipidea: fix return value check in ci_hdrc_pci_probe() usb: chipidea: error on overflow for port_test_write USB: option: add "4G LTE usb-modem U901" USB: cp210x: add IDs for GE B650V3 and B850V3 boards USB: option: add support for SIM7100E usb: musb: Fix DMA desired mode for Mentor DMA engine usb: gadget: fsl_qe_udc: fix IS_ERR_VALUE usage usb: dwc2: USB_DWC2 should depend on HAS_DMA usb: dwc2: host: fix the data toggle error in full speed descriptor dma usb: dwc2: host: fix logical omissions in dwc2_process_non_isoc_desc usb: dwc3: Fix assignment of EP transfer resources usb: dwc2: Add extra delay when forcing dr_mode
Diffstat (limited to 'drivers/usb/dwc2/hcd_intr.c')
-rw-r--r--drivers/usb/dwc2/hcd_intr.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/hcd_intr.c b/drivers/usb/dwc2/hcd_intr.c
index f8253803a050..cadba8b13c48 100644
--- a/drivers/usb/dwc2/hcd_intr.c
+++ b/drivers/usb/dwc2/hcd_intr.c
@@ -525,11 +525,19 @@ void dwc2_hcd_save_data_toggle(struct dwc2_hsotg *hsotg,
u32 pid = (hctsiz & TSIZ_SC_MC_PID_MASK) >> TSIZ_SC_MC_PID_SHIFT;
if (chan->ep_type != USB_ENDPOINT_XFER_CONTROL) {
+ if (WARN(!chan || !chan->qh,
+ "chan->qh must be specified for non-control eps\n"))
+ return;
+
if (pid == TSIZ_SC_MC_PID_DATA0)
chan->qh->data_toggle = DWC2_HC_PID_DATA0;
else
chan->qh->data_toggle = DWC2_HC_PID_DATA1;
} else {
+ if (WARN(!qtd,
+ "qtd must be specified for control eps\n"))
+ return;
+
if (pid == TSIZ_SC_MC_PID_DATA0)
qtd->data_toggle = DWC2_HC_PID_DATA0;
else