From 028816bc85db5ac6a562c2aff2113c7480d67919 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Thu, 12 Aug 2010 04:47:07 -0300
Subject: [PATCH] V4L/DVB: IR: ir-raw-event: null pointer dereference
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>
---
drivers/media/IR/ir-raw-event.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/media/IR/ir-raw-event.c b/drivers/media/IR/ir-raw-event.c
index 43094e7eccfa..8e0e1b1f8c87 100644
--- a/drivers/media/IR/ir-raw-event.c
+++ b/drivers/media/IR/ir-raw-event.c
@@ -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);
--
2.34.1