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From 2289adbfa559050d2a38bcd9caac1c18b800e928 Mon Sep 17 00:00:00 2001
From: Navid Emamdoost <navid.emamdoost@gmail.com>
Date: Wed, 9 Oct 2019 12:01:47 -0300
Subject: [PATCH] media: usb: fix memory leak in af9005_identify_state
In af9005_identify_state when returning -EIO the allocated buffer should
be released. Replace the "return -EIO" with assignment into ret and move
deb_info() under a check.
Fixes: af4e067e1dcf ("V4L/DVB (5625): Add support for the AF9005 demodulator from Afatech")
Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
---
drivers/media/usb/dvb-usb/af9005.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c
index 02697d86e8c1..ac93e88d7038 100644
--- a/drivers/media/usb/dvb-usb/af9005.c
+++ b/drivers/media/usb/dvb-usb/af9005.c
@@ -976,8 +976,9 @@ static int af9005_identify_state(struct usb_device *udev,
else if (reply == 0x02)
*cold = 0;
else
- return -EIO;
- deb_info("Identify state cold = %d\n", *cold);
+ ret = -EIO;
+ if (!ret)
+ deb_info("Identify state cold = %d\n", *cold);
err:
kfree(buf);
--
2.23.0
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