[PATCH 4.9 42/91] media: usb: fix memory leak in af9005_identify_state

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From: Navid Emamdoost <navid.emamdoost@xxxxxxxxx>

commit 2289adbfa559050d2a38bcd9caac1c18b800e928 upstream.

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@xxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/media/usb/dvb-usb/af9005.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/media/usb/dvb-usb/af9005.c
+++ b/drivers/media/usb/dvb-usb/af9005.c
@@ -990,8 +990,9 @@ static int af9005_identify_state(struct
 	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);





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