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Message-Id: <20230504080400.3036266-1-wei.fang@nxp.com> Date: Thu, 4 May 2023 16:03:59 +0800 From: wei.fang@....com To: claudiu.manoil@....com, davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com, netdev@...r.kernel.org Cc: linux-kernel@...r.kernel.org Subject: [PATCH net] net: enetc: check the index of the SFI rather than the handle From: Wei Fang <wei.fang@....com> 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@....com> --- 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 130ebf6853e6..83c27bbbc6ed 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc_qos.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_qos.c @@ -1247,7 +1247,7 @@ 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; -- 2.25.1
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