HID: usbhid: Use pr_<level> and remove unnecessary OOM messages
authorJoe Perches <joe@perches.com>
Thu, 2 Mar 2017 01:35:07 +0000 (17:35 -0800)
committerJiri Kosina <jkosina@suse.cz>
Mon, 6 Mar 2017 13:40:34 +0000 (14:40 +0100)
Use a more common logging style and remove the unnecessary
OOM messages as there is default dump_stack when OOM.

Miscellanea:

o Hoist an assignment in an if
o Realign arguments
o Realign a deeply indented if descendent above a printk

Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
drivers/hid/usbhid/hid-core.c
drivers/hid/usbhid/hid-quirks.c

index b06fee1b8e477090f9527ddc88d3dcb535fb857e..9ef9c0837d953e731238d2d3258d6e3f2d330432 100644 (file)
@@ -1008,10 +1008,9 @@ static int usbhid_parse(struct hid_device *hid)
                return -EINVAL;
        }
 
-       if (!(rdesc = kmalloc(rsize, GFP_KERNEL))) {
-               dbg_hid("couldn't allocate rdesc memory\n");
+       rdesc = kmalloc(rsize, GFP_KERNEL);
+       if (!rdesc)
                return -ENOMEM;
-       }
 
        hid_set_idle(dev, interface->desc.bInterfaceNumber, 0, 0);
 
@@ -1081,8 +1080,8 @@ static int usbhid_start(struct hid_device *hid)
                if (hid->quirks & HID_QUIRK_FULLSPEED_INTERVAL &&
                    dev->speed == USB_SPEED_HIGH) {
                        interval = fls(endpoint->bInterval*8);
-                       printk(KERN_INFO "%s: Fixing fullspeed to highspeed interval: %d -> %d\n",
-                              hid->name, endpoint->bInterval, interval);
+                       pr_info("%s: Fixing fullspeed to highspeed interval: %d -> %d\n",
+                               hid->name, endpoint->bInterval, interval);
                }
 
                /* Change the polling interval of mice and joysticks. */
@@ -1468,10 +1467,9 @@ static int hid_post_reset(struct usb_interface *intf)
         * the size of the HID report descriptor has not changed.
         */
        rdesc = kmalloc(hid->dev_rsize, GFP_KERNEL);
-       if (!rdesc) {
-               dbg_hid("couldn't allocate rdesc memory (post_reset)\n");
+       if (!rdesc)
                return -ENOMEM;
-       }
+
        status = hid_get_class_descriptor(dev,
                                interface->desc.bInterfaceNumber,
                                HID_DT_REPORT, rdesc, hid->dev_rsize);
@@ -1649,7 +1647,7 @@ static int __init hid_init(void)
        retval = usb_register(&hid_driver);
        if (retval)
                goto usb_register_fail;
-       printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n");
+       pr_info(KBUILD_MODNAME ": " DRIVER_DESC "\n");
 
        return 0;
 usb_register_fail:
index d6847a664446529831395a962aacab7cb49ab8f5..9287ab03e1176d66dac5e5306c763497f69440e4 100644 (file)
@@ -237,10 +237,8 @@ static int usbhid_modify_dquirk(const u16 idVendor, const u16 idProduct,
        }
 
        q_new = kmalloc(sizeof(struct quirks_list_struct), GFP_KERNEL);
-       if (!q_new) {
-               dbg_hid("Could not allocate quirks_list_struct\n");
+       if (!q_new)
                return -ENOMEM;
-       }
 
        q_new->hid_bl_item.idVendor = idVendor;
        q_new->hid_bl_item.idProduct = idProduct;
@@ -306,10 +304,9 @@ int usbhid_quirks_init(char **quirks_param)
                                &idVendor, &idProduct, &quirks);
 
                if (m != 3 ||
-                               usbhid_modify_dquirk(idVendor, idProduct, quirks) != 0) {
-                       printk(KERN_WARNING
-                                       "Could not parse HID quirk module param %s\n",
-                                       quirks_param[n]);
+                   usbhid_modify_dquirk(idVendor, idProduct, quirks) != 0) {
+                       pr_warn("Could not parse HID quirk module param %s\n",
+                               quirks_param[n]);
                }
        }