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Date: Tue, 17 Sep 2019 11:11:07 -0700 From: Jakub Kicinski <jakub.kicinski@...ronome.com> To: zhong jiang <zhongjiang@...wei.com> Cc: <davem@...emloft.net>, <anna.schumaker@...app.com>, <trond.myklebust@...merspace.com>, <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: Re: [RESENT PATCH v2] ixgbe: Use memzero_explicit directly in crypto cases On Tue, 17 Sep 2019 22:44:22 +0800, zhong jiang wrote: > It's better to use memzero_explicit() to replace memset() in crypto cases. > > Signed-off-by: zhong jiang <zhongjiang@...wei.com> Thank you for the follow up! Your previous patch to use kzfree() has been applied on its own merit, could you rebase this one on top of current net-next/master? > diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c > index 31629fc..7e4f32f 100644 > --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c > +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c > @@ -960,10 +960,10 @@ int ixgbe_ipsec_vf_add_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) > return 0; > > err_aead: > - memset(xs->aead, 0, sizeof(*xs->aead)); > + memzero_explicit(xs->aead, sizeof(*xs->aead)); > kfree(xs->aead); > err_xs: > - memset(xs, 0, sizeof(*xs)); > + memzero_explicit(xs, sizeof(*xs)); > kfree(xs); > err_out: > msgbuf[1] = err; > @@ -1049,7 +1049,7 @@ int ixgbe_ipsec_vf_del_sa(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) > ixgbe_ipsec_del_sa(xs); > > /* remove the xs that was made-up in the add request */ > - memset(xs, 0, sizeof(*xs)); > + memzero_explicit(xs, sizeof(*xs)); > kfree(xs); > > return 0;
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