From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Chevallier Subject: [PATCH net] net: mvpp2: Fix parser entry init boundary check Date: Thu, 5 Apr 2018 11:55:48 +0200 Message-ID: <20180405095548.14433-1-maxime.chevallier@bootlin.com> Cc: Maxime Chevallier , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Antoine Tenart , thomas.petazzoni@bootlin.com, gregory.clement@bootlin.com, miquel.raynal@bootlin.com, nadavh@marvell.com, stefanc@marvell.com, ymarkman@marvell.com, mw@semihalf.com To: davem@davemloft.net Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Boundary check in mvpp2_prs_init_from_hw must be done according to the passed "tid" parameter, not the mvpp2_prs_entry index, which is not yet initialized at the time of the check. Fixes: 47e0e14eb1a6 ("net: mvpp2: Make mvpp2_prs_hw_read a parser entry init function") Signed-off-by: Maxime Chevallier --- drivers/net/ethernet/marvell/mvpp2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/marvell/mvpp2.c b/drivers/net/ethernet/marvell/mvpp2.c index 7fc1bbf51c44..54a038943c06 100644 --- a/drivers/net/ethernet/marvell/mvpp2.c +++ b/drivers/net/ethernet/marvell/mvpp2.c @@ -1604,7 +1604,7 @@ static int mvpp2_prs_init_from_hw(struct mvpp2 *priv, { int i; - if (pe->index > MVPP2_PRS_TCAM_SRAM_SIZE - 1) + if (tid > MVPP2_PRS_TCAM_SRAM_SIZE - 1) return -EINVAL; memset(pe, 0, sizeof(*pe)); -- 2.11.0