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net: usb: rtl8150 fix unintiatilzed variables in rtl8150_get_link_ksettings

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[ Upstream commit fba383985354e83474f95f36d7c65feb75dba19d ]

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.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Reported-by: syzbot+5186630949e3c55f0799@syzkaller.appspotmail.com
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Link: https://lore.kernel.org/r/20240619132816.11526-1-oneukum@suse.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Oliver Neukum 2024-06-19 15:28:03 +02:00 • committed by Greg Kroah-Hartman
commit 6fd8e8e7b0
1 changed files with 2 additions and 1 deletions
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3
drivers/net/usb/rtl8150.c
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@ -798,7 +798,8 @@ 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 |