usb: dwc3: replace %p with %pK
authorFelipe Balbi <felipe.balbi@linux.intel.com>
Wed, 17 May 2017 12:57:45 +0000 (15:57 +0300)
committerFelipe Balbi <felipe.balbi@linux.intel.com>
Fri, 2 Jun 2017 08:22:10 +0000 (11:22 +0300)
%p will leak kernel pointers, so let's not expose the information on
dmesg and instead use %pK. %pK will only show the actual addresses if
explicitly enabled under /proc/sys/kernel/kptr_restrict.

Cc: <stable@vger.kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
drivers/usb/dwc3/dwc3-st.c
drivers/usb/dwc3/gadget.c

index dfbf464eb88c8f379b06a3f21d61ac8c5335a163..505676fd3ba42d3e2365dae6e6049e6c8b0093d3 100644 (file)
@@ -230,7 +230,7 @@ static int st_dwc3_probe(struct platform_device *pdev)
 
        dwc3_data->syscfg_reg_off = res->start;
 
-       dev_vdbg(&pdev->dev, "glue-logic addr 0x%p, syscfg-reg offset 0x%x\n",
+       dev_vdbg(&pdev->dev, "glue-logic addr 0x%pK, syscfg-reg offset 0x%x\n",
                 dwc3_data->glue_base, dwc3_data->syscfg_reg_off);
 
        dwc3_data->rstc_pwrdn =
index 750364eb11e12c2eabbe89a99b1af5a0a24434bd..011ac3ccfbe774410e8fded0d2f57a3b2b057793 100644 (file)
@@ -1224,12 +1224,9 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
                return -ESHUTDOWN;
        }
 
-       if (WARN(req->dep != dep, "request %p belongs to '%s'\n",
-                               &req->request, req->dep->name)) {
-               dev_err(dwc->dev, "%s: request %p belongs to '%s'\n",
-                               dep->name, &req->request, req->dep->name);
+       if (WARN(req->dep != dep, "request %pK belongs to '%s'\n",
+                               &req->request, req->dep->name))
                return -EINVAL;
-       }
 
        pm_runtime_get(dwc->dev);
 
@@ -1387,7 +1384,7 @@ static int dwc3_gadget_ep_dequeue(struct usb_ep *ep,
                        }
                        goto out1;
                }
-               dev_err(dwc->dev, "request %p was not queued to %s\n",
+               dev_err(dwc->dev, "request %pK was not queued to %s\n",
                                request, ep->name);
                ret = -EINVAL;
                goto out0;