6.17-stable review patch. If anyone has any objections, please let me know.
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From: Jiawen Wu jiawenwu@trustnetic.com
[ Upstream commit fd4aa243f154a80bbeb3dd311d2114eeb538f479 ]
Add limitation on tx_max_coalesced_frames_irq as 0 ~ 65535, because 'wx->tx_work_limit' is declared as a member of type u16.
Signed-off-by: Jiawen Wu jiawenwu@trustnetic.com Reviewed-by: Jacob Keller jacob.e.keller@intel.com Link: https://patch.msgid.link/20250821023408.53472-3-jiawenwu@trustnetic.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/wangxun/libwx/wx_ethtool.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c index c12a4cb951f68..254a48ede2660 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c +++ b/drivers/net/ethernet/wangxun/libwx/wx_ethtool.c @@ -334,8 +334,11 @@ int wx_set_coalesce(struct net_device *netdev, return -EOPNOTSUPP; }
- if (ec->tx_max_coalesced_frames_irq) - wx->tx_work_limit = ec->tx_max_coalesced_frames_irq; + if (ec->tx_max_coalesced_frames_irq > U16_MAX || + !ec->tx_max_coalesced_frames_irq) + return -EINVAL; + + wx->tx_work_limit = ec->tx_max_coalesced_frames_irq;
switch (wx->mac.type) { case wx_mac_sp: