From: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Wed, 17 Jan 2018 01:29:01 +0000 (+0900)
Subject: usb: dwc_otg: remove wrong memory accesses found by kasan
X-Git-Tag: accepted/tizen/unified/20191111.065916~179
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=25950c8fb5de1c199e187b272391a4feb1e2617b;p=platform%2Fkernel%2Flinux-rpi.git

usb: dwc_otg: remove wrong memory accesses found by kasan

dwc_otg_hcd_is_bandwidth_allocated() requres ep_hcpriv pointer,
but passed parameter is double pointer and it cuases bad memory
access. Remove the wrong memory accesses.

Change-Id: I8292613f16fbf91ed9736b2a97e4afdb3bbbccec
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
---

diff --git a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
index 08a3e41..a7d1e03 100644
--- a/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
+++ b/drivers/usb/host/dwc_otg/dwc_otg_hcd_linux.c
@@ -828,7 +828,7 @@ static int dwc_otg_urb_enqueue(struct usb_hcd *hcd,
 	if ((usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS)
 	    || (usb_pipetype(urb->pipe) == PIPE_INTERRUPT)) {
 		if (!dwc_otg_hcd_is_bandwidth_allocated
-		    (dwc_otg_hcd, ref_ep_hcpriv)) {
+		    (dwc_otg_hcd, *ref_ep_hcpriv)) {
 			alloc_bandwidth = 1;
 		}
 	}