HID: usbhid: fix improper return value

Function hid_post_reset() should return negative error codes on failures.
However, in its implementation, it incorrectly returns 1.  This patch fixes the
bug, returning proper error codes on failures.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index ae83af649a60..333108ef18cf 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1459,7 +1459,7 @@ static int hid_post_reset(struct usb_interface *intf)
         rdesc = kmalloc(hid->dev_rsize, GFP_KERNEL);
         if (!rdesc) {
                 dbg_hid("couldn't allocate rdesc memory (post_reset)\n");
-                return 1;
+                return -ENOMEM;
         }
         status = hid_get_class_descriptor(dev,
                                 interface->desc.bInterfaceNumber,
@@ -1467,13 +1467,13 @@ static int hid_post_reset(struct usb_interface *intf)
         if (status < 0) {
                 dbg_hid("reading report descriptor failed (post_reset)\n");
                 kfree(rdesc);
-                return 1;
+                return status;
         }
         status = memcmp(rdesc, hid->dev_rdesc, hid->dev_rsize);
         kfree(rdesc);
         if (status != 0) {
                 dbg_hid("report descriptor changed\n");
-                return 1;
+                return -EPERM;
         }
 
         /* No need to do another reset or clear a halted endpoint */