From: Jakub Kicinski <kuba@kernel.org>
To: Christian 'Ansuel' Marangi <ansuelsmth@gmail.com>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Jose Abreu <joabreu@synopsys.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [net-next PATCH] net: ethernet: stmicro: stmmac: permit MTU change with interface up
Date: Wed, 15 Jun 2022 19:55:07 -0700 [thread overview]
Message-ID: <20220615195507.52ee19df@kernel.org> (raw)
In-Reply-To: <20220614224141.23576-1-ansuelsmth@gmail.com>
On Wed, 15 Jun 2022 00:41:41 +0200 Christian 'Ansuel' Marangi wrote:
> + if (netif_running(dev)) {
> + netdev_dbg(priv->dev, "restarting interface to change its MTU\n");
> + stmmac_release(dev);
> +
> + stmmac_open(dev);
> + stmmac_set_filter(priv, priv->hw, dev);
What if stmmac_open() fails because the memory is low or is fragmented?
You'd need to invest more effort into this change and try to allocate
all the resources before shutting the device down.
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next prev parent reply other threads:[~2022-06-16 2:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-14 22:41 [net-next PATCH] net: ethernet: stmicro: stmmac: permit MTU change with interface up Christian 'Ansuel' Marangi
2022-06-16 2:55 ` Jakub Kicinski [this message]
2022-06-16 12:04 ` Ansuel Smith
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