From: Wei Yongjun <weiyongjun1@huawei.com>
Date: Sun, 30 Oct 2016 01:36:24 +0000 (-0200)
Subject: [media] dibusb: fix possible memory leak in dibusb_rc_query()
X-Git-Tag: v4.10-rc1~71^2^2~118
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=1f5ecaf985c46889278f51fcb7bc143f60f4eb14;p=linux.git

[media] dibusb: fix possible memory leak in dibusb_rc_query()

'buf' is malloced in dibusb_rc_query() and should be freed before
leaving from the error handling cases, otherwise it will cause
memory leak.

Fixes: ff1c123545d7 ("[media] dibusb: handle error code on RC query")

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---

diff --git a/drivers/media/usb/dvb-usb/dibusb-common.c b/drivers/media/usb/dvb-usb/dibusb-common.c
index de3ee2547479..8207e6900656 100644
--- a/drivers/media/usb/dvb-usb/dibusb-common.c
+++ b/drivers/media/usb/dvb-usb/dibusb-common.c
@@ -382,9 +382,9 @@ int dibusb_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
 	if (buf[0] != 0)
 		deb_info("key: %*ph\n", 5, buf);
 
+ret:
 	kfree(buf);
 
-ret:
 	return ret;
 }
 EXPORT_SYMBOL(dibusb_rc_query);