Messages in this thread | | | From | Marcin Wojtas <> | Date | Tue, 15 Nov 2022 10:16:36 +0100 | Subject | Re: [PATCH net v2] net: mvpp2: fix possible invalid pointer dereference |
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wt., 15 lis 2022 o 10:08 Hui Tang <tanghui20@huawei.com> napisał(a): > > It will cause invalid pointer dereference to priv->cm3_base behind, > if PTR_ERR(priv->cm3_base) in mvpp2_get_sram(). > > Fixes: a59d354208a7 ("net: mvpp2: enable global flow control") > Signed-off-by: Hui Tang <tanghui20@huawei.com> > --- > v1 -> v2: patch title include target > --- > drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c > index d98f7e9a480e..c92bd1922421 100644 > --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c > +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c > @@ -7421,7 +7421,7 @@ static int mvpp2_probe(struct platform_device *pdev) > dev_warn(&pdev->dev, "Fail to alloc CM3 SRAM\n"); > > /* Enable global Flow Control only if handler to SRAM not NULL */ > - if (priv->cm3_base) > + if (!IS_ERR_OR_NULL(priv->cm3_base)) > priv->global_tx_fc = true; > } > > -- > 2.17.1 >
Thank you for the patch.
Reviewed-by: Marcin Wojtas <mw@semihalf.com>
Best regards, Marcin
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