Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-10-27 15:21:45 +00:00
Code Issues Packages Projects Releases Wiki Activity

can: usb: PCAN-USB Pro: fix mem leaks in pcan_usb_pro_init() on error paths

Browse Source 
If either call to pcan_usb_pro_send_req() in
drivers/net/can/usb/peak_usb/pcan_usb_pro.c::pcan_usb_pro_init()
fails, we'll leak the memory we allocated to 'usb_if' with kzalloc()
when the 'usb_if' variable goes out of scope without having been
assigned to anything as we 'return err;'.
Fix this by adding appropriate kfree(usb_if) calls to the error paths.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Jesper Juhl 2012-04-11 23:23:41 +02:00 committed by Marc Kleine-Budde
parent 8a9a0ea603
commit a49bcabedc
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/can/usb/peak_usb/pcan_usb_pro.c
View File

@ -875,6 +875,7 @@ static int pcan_usb_pro_init(struct peak_usb_device *dev)
PCAN_USBPRO_INFO_FW,
&fi, sizeof(fi));
if (err) {
kfree(usb_if);
dev_err(dev->netdev->dev.parent,
"unable to read %s firmware info (err %d)\n",
pcan_usb_pro.name, err);
@ -885,6 +886,7 @@ static int pcan_usb_pro_init(struct peak_usb_device *dev)
PCAN_USBPRO_INFO_BL,
&bi, sizeof(bi));
if (err) {
kfree(usb_if);
dev_err(dev->netdev->dev.parent,
"unable to read %s bootloader info (err %d)\n",
pcan_usb_pro.name, err);