From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kishon Vijay Abraham I Date: Mon, 18 Jul 2016 06:41:21 +0000 Subject: Re: [PATCH] PCI: dra7xx: Fix return value in case of error Message-Id: <578C7741.2010903@ti.com> List-Id: References: <1468531107-3639-1-git-send-email-christophe.jaillet@wanadoo.fr> In-Reply-To: <1468531107-3639-1-git-send-email-christophe.jaillet@wanadoo.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Christophe JAILLET , bhelgaas@google.com Cc: linux-omap@vger.kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org On Friday 15 July 2016 02:48 AM, Christophe JAILLET wrote: > In function 'dra7xx_pcie_init_irq_domain', the pattern used to check and > return error is: > > if (!var) { > dev_err(...); > return PTR_ERR(var); > } > > So the returned value in case of error is always 0, which means 'success'. > Change it to return -ENODEV instead. > > Signed-off-by: Christophe JAILLET Reviewed-by: Kishon Vijay Abraham I > --- > drivers/pci/host/pci-dra7xx.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c > index f441130..81b3949 100644 > --- a/drivers/pci/host/pci-dra7xx.c > +++ b/drivers/pci/host/pci-dra7xx.c > @@ -181,14 +181,14 @@ static int dra7xx_pcie_init_irq_domain(struct pcie_port *pp) > > if (!pcie_intc_node) { > dev_err(dev, "No PCIe Intc node found\n"); > - return PTR_ERR(pcie_intc_node); > + return -ENODEV; > } > > pp->irq_domain = irq_domain_add_linear(pcie_intc_node, 4, > &intx_domain_ops, pp); > if (!pp->irq_domain) { > dev_err(dev, "Failed to get a INTx IRQ domain\n"); > - return PTR_ERR(pp->irq_domain); > + return -ENODEV; > } > > return 0; >