From: Jisheng Zhang <Jisheng.Zhang@synaptics.com> To: Jingoo Han <jingoohan1@gmail.com>, Gustavo Pimentel <gustavo.pimentel@synopsys.com>, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Bjorn Helgaas <bhelgaas@google.com>, "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: [PATCH 1/5] PCI: dwc: fix dw_pcie_free_msi() if msi_irq is invalid Date: Tue, 26 Feb 2019 11:56:15 +0000 [thread overview] Message-ID: <20190226194909.0e0c4758@xhacker.debian> (raw) In-Reply-To: <20190226194806.34fc23b5@xhacker.debian> we should check msi_irq before calling irq_set_chained_handler() and irq_set_handler_data(). Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com> --- drivers/pci/controller/dwc/pcie-designware-host.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index 0c18ab63811f..a94d3530b694 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -298,8 +298,10 @@ int dw_pcie_allocate_domains(struct pcie_port *pp) void dw_pcie_free_msi(struct pcie_port *pp) { - irq_set_chained_handler(pp->msi_irq, NULL); - irq_set_handler_data(pp->msi_irq, NULL); + if (pp->msi_irq) { + irq_set_chained_handler(pp->msi_irq, NULL); + irq_set_handler_data(pp->msi_irq, NULL); + } irq_domain_remove(pp->msi_domain); irq_domain_remove(pp->irq_domain); -- 2.20.1
WARNING: multiple messages have this Message-ID (diff)
From: Jisheng Zhang <Jisheng.Zhang@synaptics.com> To: Jingoo Han <jingoohan1@gmail.com>, Gustavo Pimentel <gustavo.pimentel@synopsys.com>, Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>, Bjorn Helgaas <bhelgaas@google.com>, "linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>, "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org> Subject: [PATCH 1/5] PCI: dwc: fix dw_pcie_free_msi() if msi_irq is invalid Date: Tue, 26 Feb 2019 11:56:15 +0000 [thread overview] Message-ID: <20190226194909.0e0c4758@xhacker.debian> (raw) In-Reply-To: <20190226194806.34fc23b5@xhacker.debian> we should check msi_irq before calling irq_set_chained_handler() and irq_set_handler_data(). Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com> --- drivers/pci/controller/dwc/pcie-designware-host.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c index 0c18ab63811f..a94d3530b694 100644 --- a/drivers/pci/controller/dwc/pcie-designware-host.c +++ b/drivers/pci/controller/dwc/pcie-designware-host.c @@ -298,8 +298,10 @@ int dw_pcie_allocate_domains(struct pcie_port *pp) void dw_pcie_free_msi(struct pcie_port *pp) { - irq_set_chained_handler(pp->msi_irq, NULL); - irq_set_handler_data(pp->msi_irq, NULL); + if (pp->msi_irq) { + irq_set_chained_handler(pp->msi_irq, NULL); + irq_set_handler_data(pp->msi_irq, NULL); + } irq_domain_remove(pp->msi_domain); irq_domain_remove(pp->irq_domain); -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-02-26 11:56 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-02-26 11:55 [PATCH 0/5] PCI: dwc: support remove Jisheng Zhang 2019-02-26 11:55 ` Jisheng Zhang 2019-02-26 11:56 ` Jisheng Zhang [this message] 2019-02-26 11:56 ` [PATCH 1/5] PCI: dwc: fix dw_pcie_free_msi() if msi_irq is invalid Jisheng Zhang 2019-02-26 11:56 ` [PATCH 2/5] PCI: dwc: free the page for MSI irq in dw_pcie_free_msi() Jisheng Zhang 2019-02-26 11:56 ` Jisheng Zhang 2019-02-26 11:57 ` [PATCH 3/5] PCI: dwc: free msi in the error code path of dw_pcie_host_init() Jisheng Zhang 2019-02-26 11:57 ` Jisheng Zhang 2019-02-26 11:58 ` [PATCH 4/5] PCI: dwc: use devm_pci_alloc_host_bridge() to simplify the code Jisheng Zhang 2019-02-26 11:58 ` Jisheng Zhang 2019-02-26 11:59 ` [PATCH 5/5] PCI: dwc: save root bus for driver remove Jisheng Zhang 2019-02-26 11:59 ` Jisheng Zhang 2019-02-26 21:11 ` [PATCH 0/5] PCI: dwc: support remove Bjorn Helgaas 2019-02-26 21:11 ` Bjorn Helgaas 2019-02-27 6:48 ` Jisheng Zhang 2019-02-27 6:48 ` Jisheng Zhang
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