From: Wei Fang wei.fang@nxp.com
[ Upstream commit 299efdc2380aac588557f4d0b2ce7bee05bd0cf2 ]
We should check whether the current SFI (Stream Filter Instance) table is full before creating a new SFI entry. However, the previous logic checks the handle by mistake and might lead to unpredictable behavior.
Fixes: 888ae5a3952b ("net: enetc: add tc flower psfp offload driver") Signed-off-by: Wei Fang wei.fang@nxp.com Reviewed-by: Leon Romanovsky leonro@nvidia.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/freescale/enetc/enetc_qos.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_qos.c b/drivers/net/ethernet/freescale/enetc/enetc_qos.c index ba51fb381f0cb..4e9cb1deaf810 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_qos.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_qos.c @@ -1270,7 +1270,7 @@ static int enetc_psfp_parse_clsflower(struct enetc_ndev_priv *priv, int index;
index = enetc_get_free_index(priv); - if (sfi->handle < 0) { + if (index < 0) { NL_SET_ERR_MSG_MOD(extack, "No Stream Filter resource!"); err = -ENOSPC; goto free_fmi;