netdev - [PATCH] usb/peak_usb: cleanup code

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-next>] [day] [month] [year] [list]

Date:   Tue, 10 May 2022 23:38:38 -0700
From:   Bernard Zhao <zhaojunkui2008@....com>
To:     Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Stefan Mätje <stefan.maetje@....eu>,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>,
        Bernard Zhao <zhaojunkui2008@....com>,
        linux-can@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     bernard@...o.com
Subject: [PATCH] usb/peak_usb: cleanup code

The variable fi and bi only used in branch if (!dev->prev_siblings)
, fi & bi not kmalloc in else branch, so move kfree into branch
if (!dev->prev_siblings),this change is to cleanup the code a bit.

Signed-off-by: Bernard Zhao <zhaojunkui2008@....com>
---
 drivers/net/can/usb/peak_usb/pcan_usb_pro.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
index ebe087f258e3..70c5aef57247 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
@@ -903,6 +903,9 @@ static int pcan_usb_pro_init(struct peak_usb_device *dev)
 		     pcan_usb_pro.name,
 		     bi->hw_rev, bi->serial_num_hi, bi->serial_num_lo,
 		     pcan_usb_pro.ctrl_count);
+
+		kfree(bi);
+		kfree(fi);
 	} else {
 		usb_if = pcan_usb_pro_dev_if(dev->prev_siblings);
 	}
@@ -913,9 +916,6 @@ static int pcan_usb_pro_init(struct peak_usb_device *dev)
 	/* set LED in default state (end of init phase) */
 	pcan_usb_pro_set_led(dev, PCAN_USBPRO_LED_DEVICE, 1);
 
-	kfree(bi);
-	kfree(fi);
-
 	return 0;
 
  err_out:
-- 
2.33.1