[PATCH 3/47] Fix an oops in poll() on uinput.

[Vojtech Pavlik]

You can pull this changeset from:
	bk://kernel.bkbits.net/vojtech/input

===================================================================

ChangeSet@xxxxxxxxxxx, 2004-05-28 22:57:43+02:00, vojtech@xxxxxxx
  input: Fix an oops in poll() on uinput.  Thanks to Dmitry Torokhov
         for suggesting the fix.


 uinput.c |    3 +++
 1 files changed, 3 insertions(+)

===================================================================

diff -Nru a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c
--- a/drivers/input/misc/uinput.c	Thu Jul 29 14:42:19 2004
+++ b/drivers/input/misc/uinput.c	Thu Jul 29 14:42:19 2004
@@ -279,6 +279,9 @@
 {
 	struct uinput_device *udev = file->private_data;
 
+	if (!test_bit(UIST_CREATED, &(udev->state)))
+		return -ENODEV;
+
 	poll_wait(file, &udev->waitq, wait);
 
 	if (udev->head != udev->tail)

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/