[patch 29/29] USB: hidinput_hid_event() oops fix

From: Greg KH
Date: Fri Jul 29 2005 - 20:17:03 EST


From: Pete Zaitcev <zaitcev@xxxxxxxxxx>

It seems that I see a bug in hidinput_hid_event. The check for NULL can never
work, becaue &hidinput->input is nonzero at all times.

Cc: <vojtech@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
drivers/usb/input/hid-input.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)

--- gregkh-2.6.orig/drivers/usb/input/hid-input.c 2005-07-29 11:29:47.000000000 -0700
+++ gregkh-2.6/drivers/usb/input/hid-input.c 2005-07-29 11:36:35.000000000 -0700
@@ -397,11 +397,12 @@

void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value, struct pt_regs *regs)
{
- struct input_dev *input = &field->hidinput->input;
+ struct input_dev *input;
int *quirks = &hid->quirks;

- if (!input)
+ if (!field->hidinput)
return;
+ input = &field->hidinput->input;

input_regs(input, regs);


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