[PATCH 36/39] input: Fix an oops at opentime of /dev/input/event devices

From: Vojtech Pavlik
Date: Mon Jun 07 2004 - 08:18:27 EST


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

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

ChangeSet@xxxxxxxxxxxx, 2004-05-14 10:23:53+02:00, async@xxxxxxxxxxxxx
evdev.c:
input: Fix an oops at opentime of /dev/input/event devices


evdev.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

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

diff -Nru a/drivers/input/evdev.c b/drivers/input/evdev.c
--- a/drivers/input/evdev.c 2004-06-07 13:10:32 +02:00
+++ b/drivers/input/evdev.c 2004-06-07 13:10:32 +02:00
@@ -126,7 +126,7 @@
int i = iminor(inode) - EVDEV_MINOR_BASE;
int accept_err;

- if (i >= EVDEV_MINORS || !evdev_table[i])
+ if (i >= EVDEV_MINORS || !evdev_table[i] || !evdev_table[i]->exist)
return -ENODEV;

if ((accept_err = input_accept_process(&(evdev_table[i]->handle), file)))
@@ -175,7 +175,7 @@
return -EAGAIN;

retval = wait_event_interruptible(list->evdev->wait,
- list->head != list->tail && list->evdev->exist);
+ list->head != list->tail || (!list->evdev->exist));

if (retval)
return retval;

-
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