From: Jakub Kicinski <kuba@kernel.org>
To: Maxime Chevallier <maxime.chevallier@bootlin.com>
Cc: Ben Dooks <ben.dooks@codethink.co.uk>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
"Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>,
netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net: stmmac: fix missed le32_to_cpu()
Date: Wed, 24 Jun 2026 19:22:05 -0700 [thread overview]
Message-ID: <20260624192205.4485cd61@kernel.org> (raw)
In-Reply-To: <b375d36c-112e-4662-b538-fd10fa927ecc@bootlin.com>
On Mon, 22 Jun 2026 19:51:39 +0200 Maxime Chevallier wrote:
> Hi Ben,
>
> On 6/22/26 16:37, Ben Dooks wrote:
> > The print in ndesc_display_ring() sends the des2 and des3
> > to the pr_info() without passing them through the relevant
> > conversion to cpu order.
> >
> > Fix the (prototype) sparse warnings by using le32_to_cpu():
> > drivers/net/ethernet/stmicro/stmmac/norm_desc.c:258:17: warning: incorrect type in argument 6 (different base types)
> > drivers/net/ethernet/stmicro/stmmac/norm_desc.c:258:17: expected unsigned int
> > drivers/net/ethernet/stmicro/stmmac/norm_desc.c:258:17: got restricted __le32 [usertype] des2
> > drivers/net/ethernet/stmicro/stmmac/norm_desc.c:258:17: warning: incorrect type in argument 7 (different base types)
> > drivers/net/ethernet/stmicro/stmmac/norm_desc.c:258:17: expected unsigned int
> > drivers/net/ethernet/stmicro/stmmac/norm_desc.c:258:17: got restricted __le32 [usertype] des3
> >
> > Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
>
> I agree on the principle, but this isn't a fix so this'll have to wait
> until net-next re-opens :)
Humpf, why are we not seeing this on x86 allmodconfig ? 🤔️
$ make C=1 W=1 drivers/net/ethernet/stmicro/stmmac/norm_desc.o
DESCEND objtool
CC [M] drivers/net/ethernet/stmicro/stmmac/norm_desc.o
CHECK drivers/net/ethernet/stmicro/stmmac/norm_desc.c
$
next prev parent reply other threads:[~2026-06-25 2:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-22 14:37 [PATCH] net: stmmac: fix missed le32_to_cpu() Ben Dooks
2026-06-22 17:51 ` Maxime Chevallier
2026-06-25 2:22 ` Jakub Kicinski [this message]
2026-06-25 7:07 ` Maxime Chevallier
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