diff mbox

[v3.11,Regression] HID: hyperv: convert alloc+memcpy to memdup

Message ID alpine.LNX.2.00.1309301634260.28935@pobox.suse.cz (mailing list archive)
State New, archived
Delegated to: Jiri Kosina
Headers show

Commit Message

Jiri Kosina Sept. 30, 2013, 2:35 p.m. UTC
On Fri, 27 Sep 2013, Dan Carpenter wrote:

> It looks like magicmouse_raw_event() returns 1 on success and 0 on
> failure.

Good catch indeed.

I am not completely sure whether we are going to fix an oops or not by 
this, as I haven't seen the actual oops anywhere in this thread :) But 
definitely this looks like a good fix.

Joseph, could you please test with that? Thanks.

Comments

Dan Carpenter Sept. 30, 2013, 2:59 p.m. UTC | #1
On Mon, Sep 30, 2013 at 04:35:47PM +0200, Jiri Kosina wrote:
> On Fri, 27 Sep 2013, Dan Carpenter wrote:
> 
> > It looks like magicmouse_raw_event() returns 1 on success and 0 on
> > failure.
> 
> Good catch indeed.
> 
> I am not completely sure whether we are going to fix an oops or not by 
> this, as I haven't seen the actual oops anywhere in this thread :) But 
> definitely this looks like a good fix.
> 
> Joseph, could you please test with that? Thanks.

In the new code both 0 and 1 are treated the same so this can't fix the
bug.

regards,
dan carpenter
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diff mbox

Patch

diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index 3b43d1c..c211eb9 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -334,7 +334,7 @@  static int magicmouse_raw_event(struct hid_device *hdev,
 			size - 2 - data[1]);
 		break;
 	default:
-		return 0;
+		return 1;
 	}
 
 	if (input->id.product == USB_DEVICE_ID_APPLE_MAGICMOUSE) {
@@ -347,7 +347,7 @@  static int magicmouse_raw_event(struct hid_device *hdev,
 	}
 
 	input_sync(input);
-	return 1;
+	return 0;
 }
 
 static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hdev)