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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39b08cacba5sm3832735a91.12.2026.09.03.00.46.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2026 00:46:50 -0700 (PDT) From: phucduc.bui@gmail.com To: Andrew Lunn , davem@davemloft.net, Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: Takashi Sakamoto , Danilo Krummrich , Bjorn Helgaas , u.kleine-koenig@baylibre.com, Chris Packham , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bui duc phuc Subject: [PATCH net-next v2] net: marvell: mvmdio: Handle errors from optional IRQ lookup Date: Thu, 3 Sep 2026 14:46:38 +0700 Message-ID: <20260903074638.345952-1-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc platform_get_irq_optional() returns a positive IRQ number on success or a negative error code on failure. For an optional IRQ, -ENXIO indicates that no optional IRQ is available. Other errors should be propagated so that the caller can handle them appropriately. The existing code propagates -EPROBE_DEFER, but ignores other negative errors. Propagate negative errors other than -ENXIO. Found by manual code inspection. Fixes: e1f550dc44a4 ("net: mvmdio: avoid error message for optional IRQ") Signed-off-by: bui duc phuc --- Changes in v2: - Add a Fixes tag. - Add net-next to the --subject-prefix. drivers/net/ethernet/marvell/mvmdio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/marvell/mvmdio.c b/drivers/net/ethernet/marvell/mvmdio.c index 2ccb8c8f5feb..d59cf332d1ec 100644 --- a/drivers/net/ethernet/marvell/mvmdio.c +++ b/drivers/net/ethernet/marvell/mvmdio.c @@ -373,8 +373,8 @@ static int orion_mdio_probe(struct platform_device *pdev) writel(MVMDIO_ERR_INT_SMI_DONE, dev->regs + MVMDIO_ERR_INT_MASK); - } else if (dev->err_interrupt == -EPROBE_DEFER) { - ret = -EPROBE_DEFER; + } else if (dev->err_interrupt < 0 && dev->err_interrupt != -ENXIO) { + ret = dev->err_interrupt; goto out_mdio; } -- 2.43.0