| Message ID | 1629189389-18779-3-git-send-email-chunfeng.yun@mediatek.com |
|---|---|
| State | New |
| Headers | show |
| Series | [RESEND,1/9] dt-bindings: usb: mtk-xhci: add optional property to disable usb2 ports | expand |
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c index d66b6a8b59ba..f6d161670c4e 100644 --- a/drivers/usb/host/xhci-mtk.c +++ b/drivers/usb/host/xhci-mtk.c @@ -573,7 +573,7 @@ static int xhci_mtk_probe(struct platform_device *pdev) xhci_mtk_ldos_disable(mtk); disable_pm: - pm_runtime_put_sync_autosuspend(dev); + pm_runtime_put_noidle(dev); pm_runtime_disable(dev); return ret; }
BUG: KASAN: use-after-free in usb_hcd_is_primary_hcd+0x38/0x60 Call trace: dump_backtrace+0x0/0x3dc show_stack+0x20/0x2c dump_stack+0x15c/0x1d4 print_address_description+0x7c/0x510 kasan_report+0x164/0x1ac __asan_report_load8_noabort+0x44/0x50 usb_hcd_is_primary_hcd+0x38/0x60 xhci_mtk_runtime_suspend+0x68/0x148 pm_generic_runtime_suspend+0x90/0xac __rpm_callback+0xb8/0x1f4 rpm_callback+0x54/0x1d0 rpm_suspend+0x4e0/0xc84 __pm_runtime_suspend+0xc4/0x114 xhci_mtk_probe+0xa58/0xd00 This may happen when probe fails, needn't suspend it synchronously, fix it by using pm_runtime_put_noidle(). Reported-by: Pi Hsun <pihsun@google.com> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> --- drivers/usb/host/xhci-mtk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)