[PATCH] media: dvb: Fix memory leak in af9005_identify_state

[Navid Emamdoost]

In the implementation of af9005_identify_state() there is a memory leak
when checking the reply of af9005_boot_packet(). Go to error path to
release buf.

Fixes: af4e067e1dcf ("V4L/DVB (5625): Add support for the AF9005 demodulator from Afatech")
Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>
---
 drivers/media/usb/dvb-usb/af9005.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/media/usb/dvb-usb/af9005.c b/drivers/media/usb/dvb-usb/af9005.c
index 02697d86e8c1..cfaf630be4d8 100644
--- a/drivers/media/usb/dvb-usb/af9005.c
+++ b/drivers/media/usb/dvb-usb/af9005.c
@@ -975,8 +975,10 @@ static int af9005_identify_state(struct usb_device *udev,
 		*cold = 1;
 	else if (reply == 0x02)
 		*cold = 0;
-	else
-		return -EIO;
+	else {
+		ret = -EIO;
+		goto err;
+	}
 	deb_info("Identify state cold = %d\n", *cold);
 
 err:
-- 
2.17.1