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authorAndre Edich <andre.edich@microchip.com>2020-07-06 11:39:35 +0300
committerDavid S. Miller <davem@davemloft.net>2020-07-06 22:22:24 +0300
commit3ed58f96a70b85ef646d5427258f677f1395b62f (patch)
treeb173462751b8ddd618c34c8ca6c6f17127fe6d01 /drivers/net/usb/smsc95xx.c
parent7c8b1e855f94f88a0c569be6309fc8d5c8844cd1 (diff)
downloadlinux-3ed58f96a70b85ef646d5427258f677f1395b62f.tar.xz
smsc95xx: avoid memory leak in smsc95xx_bind
In a case where the ID_REV register read is failed, the memory for a private data structure has to be freed before returning error from the function smsc95xx_bind. Fixes: bbd9f9ee69242 ("smsc95xx: add wol support for more frame types") Signed-off-by: Andre Edich <andre.edich@microchip.com> Signed-off-by: Parthiban Veerasooran <Parthiban.Veerasooran@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/usb/smsc95xx.c')
-rw-r--r--drivers/net/usb/smsc95xx.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index eb404bb74e18..bb4ccbda031a 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1293,7 +1293,8 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
/* detect device revision as different features may be available */
ret = smsc95xx_read_reg(dev, ID_REV, &val);
if (ret < 0)
- return ret;
+ goto free_pdata;
+
val >>= 16;
pdata->chip_id = val;
pdata->mdix_ctrl = get_mdix_status(dev->net);