Re: [PATCH net] net: usb: rtl8150 fix unintiatilzed variables in rtl8150_get_link_ksettings
From: Petko Manolov
Date: Wed Jun 19 2024 - 10:38:21 EST
On 24-06-19 15:28:03, Oliver Neukum wrote:
> This functions retrieves values by passing a pointer. As the function that
> retrieves them can fail before touching the pointers, the variables must be
> initialized.
ACK.
Petko
> Reported-by: syzbot+5186630949e3c55f0799@xxxxxxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Oliver Neukum <oneukum@xxxxxxxx>
> ---
> drivers/net/usb/rtl8150.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
> index 97afd7335d86..01a3b2417a54 100644
> --- a/drivers/net/usb/rtl8150.c
> +++ b/drivers/net/usb/rtl8150.c
> @@ -778,7 +778,8 @@ static int rtl8150_get_link_ksettings(struct net_device *netdev,
> struct ethtool_link_ksettings *ecmd)
> {
> rtl8150_t *dev = netdev_priv(netdev);
> - short lpa, bmcr;
> + short lpa = 0;
> + short bmcr = 0;
> u32 supported;
>
> supported = (SUPPORTED_10baseT_Half |
> --
> 2.45.1
>
>