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V4L/DVB: IR: ir-raw-event: null pointer dereference

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The original code dereferenced ir->raw after freeing it and setting it
to NULL.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Dan Carpenter 2010-08-12 04:47:07 -03:00 committed by Mauro Carvalho Chehab
parent 590a58d180
commit 028816bc85
1 changed files with 3 additions and 1 deletions
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4
drivers/media/IR/ir-raw-event.c
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@ -279,9 +279,11 @@ int ir_raw_event_register(struct input_dev *input_dev)
"rc%u", (unsigned int)ir->devno);
if (IS_ERR(ir->raw->thread)) {
int ret = PTR_ERR(ir->raw->thread);
kfree(ir->raw);
ir->raw = NULL;
return PTR_ERR(ir->raw->thread);
return ret;
}
mutex_lock(&ir_raw_handler_lock);