From: Sean Young <sean@mess.org>
Date: Tue, 30 Jul 2013 22:00:00 +0000 (-0300)
Subject: [media] redrat3: ensure whole packet is read
X-Git-Tag: firefly_0821_release~176^2~3573^2~1404
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=38e35a85284b9cce271ff43a849d3676a46f8512;p=firefly-linux-kernel-4.4.55.git

[media] redrat3: ensure whole packet is read

The length in the header excludes the header itself, so we're getting
spurious readings.

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
---

diff --git a/drivers/media/rc/redrat3.c b/drivers/media/rc/redrat3.c
index 0042367b060c..ccd267f131fa 100644
--- a/drivers/media/rc/redrat3.c
+++ b/drivers/media/rc/redrat3.c
@@ -663,7 +663,8 @@ static int redrat3_get_ir_data(struct redrat3_dev *rr3, unsigned len)
 		goto out;
 	}
 
-	if (rr3->bytes_read < be16_to_cpu(rr3->irdata.header.length))
+	if (rr3->bytes_read < be16_to_cpu(rr3->irdata.header.length) +
+						sizeof(struct redrat3_header))
 		/* we're still accumulating data */
 		return 0;