linux-kernel - [PATCH 2/3] media: dvb-usb: move kfree(d) to dvb_usb_device

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 21 Jun 2021 13:07:27 +0800
From:   Dongliang Mu <mudongliangabcd@...il.com>
To:     Mauro Carvalho Chehab <mchehab@...nel.org>
Cc:     Dongliang Mu <mudongliangabcd@...il.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] media: dvb-usb: move kfree(d) to dvb_usb_device_exit

As d is allocated in dvb_usb_device_init, so move to the deallocation of
d from dvb_usb_exit to dvb_usb_device_exit

Signed-off-by: Dongliang Mu <mudongliangabcd@...il.com>
---
 drivers/media/usb/dvb-usb/dvb-usb-init.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/usb/dvb-usb/dvb-usb-init.c b/drivers/media/usb/dvb-usb/dvb-usb-init.c
index edc477cedaa9..21ad51be4820 100644
--- a/drivers/media/usb/dvb-usb/dvb-usb-init.c
+++ b/drivers/media/usb/dvb-usb/dvb-usb-init.c
@@ -147,7 +147,6 @@ static int dvb_usb_exit(struct dvb_usb_device *d)
 		d->props.priv_destroy(d);
 
 	kfree(d->priv);
-	kfree(d);
 	return 0;
 }
 
@@ -333,9 +332,10 @@ void dvb_usb_device_exit(struct usb_interface *intf)
 	char name[40];
 
 	usb_set_intfdata(intf, NULL);
-	if (d != NULL && d->desc != NULL) {
+	if (d && d->desc) {
 		strscpy(name, d->desc->name, sizeof(name));
 		dvb_usb_exit(d);
+		kfree(d);
 	} else {
 		strscpy(name, default_name, sizeof(name));
 	}
-- 
2.25.1