From: SF Markus Elfring <elfring@users.sourceforge.net> To: linux-pci@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Simon Horman <horms@verge.net.au> Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org Subject: [PATCH] PCI: rcar: Use common error handling code in rcar_pcie_enable_msi() Date: Mon, 30 Oct 2017 08:35:30 +0100 [thread overview] Message-ID: <c598933b-b14f-91a1-c7a3-f4a46ec98e77@users.sourceforge.net> (raw) From: Markus Elfring <elfring@users.sourceforge.net> Date: Mon, 30 Oct 2017 08:28:06 +0100 Adjust a jump target so that a specific error message is stored only once at the end of this function implementation. Replace two calls of the function "dev_err" by goto statements. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- drivers/pci/host/pcie-rcar.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c index 12796eccb2be..38101f8bebf1 100644 --- a/drivers/pci/host/pcie-rcar.c +++ b/drivers/pci/host/pcie-rcar.c @@ -873,18 +873,14 @@ static int rcar_pcie_enable_msi(struct rcar_pcie *pcie) err = devm_request_irq(dev, msi->irq1, rcar_pcie_msi_irq, IRQF_SHARED | IRQF_NO_THREAD, rcar_msi_irq_chip.name, pcie); - if (err < 0) { - dev_err(dev, "failed to request IRQ: %d\n", err); - goto err; - } + if (err < 0) + goto report_request_failure; err = devm_request_irq(dev, msi->irq2, rcar_pcie_msi_irq, IRQF_SHARED | IRQF_NO_THREAD, rcar_msi_irq_chip.name, pcie); - if (err < 0) { - dev_err(dev, "failed to request IRQ: %d\n", err); - goto err; - } + if (err < 0) + goto report_request_failure; /* setup MSI data target */ msi->pages = __get_free_pages(GFP_KERNEL, 0); @@ -898,7 +894,8 @@ static int rcar_pcie_enable_msi(struct rcar_pcie *pcie) return 0; -err: +report_request_failure: + dev_err(dev, "failed to request IRQ: %d\n", err); irq_domain_remove(msi->domain); return err; } -- 2.14.3
WARNING: multiple messages have this Message-ID (diff)
From: SF Markus Elfring <elfring@users.sourceforge.net> To: linux-pci@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Bjorn Helgaas <bhelgaas@google.com>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Simon Horman <horms@verge.net.au> Cc: LKML <linux-kernel@vger.kernel.org>, kernel-janitors@vger.kernel.org Subject: [PATCH] PCI: rcar: Use common error handling code in rcar_pcie_enable_msi() Date: Mon, 30 Oct 2017 07:35:30 +0000 [thread overview] Message-ID: <c598933b-b14f-91a1-c7a3-f4a46ec98e77@users.sourceforge.net> (raw) From: Markus Elfring <elfring@users.sourceforge.net> Date: Mon, 30 Oct 2017 08:28:06 +0100 Adjust a jump target so that a specific error message is stored only once at the end of this function implementation. Replace two calls of the function "dev_err" by goto statements. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> --- drivers/pci/host/pcie-rcar.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c index 12796eccb2be..38101f8bebf1 100644 --- a/drivers/pci/host/pcie-rcar.c +++ b/drivers/pci/host/pcie-rcar.c @@ -873,18 +873,14 @@ static int rcar_pcie_enable_msi(struct rcar_pcie *pcie) err = devm_request_irq(dev, msi->irq1, rcar_pcie_msi_irq, IRQF_SHARED | IRQF_NO_THREAD, rcar_msi_irq_chip.name, pcie); - if (err < 0) { - dev_err(dev, "failed to request IRQ: %d\n", err); - goto err; - } + if (err < 0) + goto report_request_failure; err = devm_request_irq(dev, msi->irq2, rcar_pcie_msi_irq, IRQF_SHARED | IRQF_NO_THREAD, rcar_msi_irq_chip.name, pcie); - if (err < 0) { - dev_err(dev, "failed to request IRQ: %d\n", err); - goto err; - } + if (err < 0) + goto report_request_failure; /* setup MSI data target */ msi->pages = __get_free_pages(GFP_KERNEL, 0); @@ -898,7 +894,8 @@ static int rcar_pcie_enable_msi(struct rcar_pcie *pcie) return 0; -err: +report_request_failure: + dev_err(dev, "failed to request IRQ: %d\n", err); irq_domain_remove(msi->domain); return err; } -- 2.14.3
next reply other threads:[~2017-10-30 7:35 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-10-30 7:35 SF Markus Elfring [this message] 2017-10-30 7:35 ` [PATCH] PCI: rcar: Use common error handling code in rcar_pcie_enable_msi() SF Markus Elfring 2017-11-01 8:18 ` Simon Horman 2017-11-01 8:18 ` Simon Horman 2017-11-01 8:57 ` SF Markus Elfring 2017-11-01 8:57 ` SF Markus Elfring 2017-11-02 8:12 ` Simon Horman 2017-11-02 8:12 ` Simon Horman 2017-11-02 13:00 ` [PATCH v2] " SF Markus Elfring 2017-11-02 13:00 ` SF Markus Elfring 2017-11-02 19:25 ` Geert Uytterhoeven 2017-11-02 19:25 ` Geert Uytterhoeven
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