diff options
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/Makefile | 1 | ||||
| -rw-r--r-- | drivers/pci/pci-driver.c | 4 | ||||
| -rw-r--r-- | drivers/pci/pci-sysfs.c | 3 | ||||
| -rw-r--r-- | drivers/pci/xen-pcifront.c | 31 |
4 files changed, 26 insertions, 13 deletions
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile index bb1d3b2d81ec..98d61c8e984b 100644 --- a/drivers/pci/Makefile +++ b/drivers/pci/Makefile @@ -42,6 +42,7 @@ obj-$(CONFIG_PCI_IOV) += iov.o obj-$(CONFIG_X86) += setup-bus.o obj-$(CONFIG_ALPHA) += setup-bus.o setup-irq.o obj-$(CONFIG_ARM) += setup-bus.o setup-irq.o +obj-$(CONFIG_UNICORE32) += setup-bus.o setup-irq.o obj-$(CONFIG_PARISC) += setup-bus.o obj-$(CONFIG_SUPERH) += setup-bus.o setup-irq.o obj-$(CONFIG_PPC) += setup-bus.o diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 88246dd46452..d86ea8b01137 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -431,7 +431,7 @@ static void pci_device_shutdown(struct device *dev) pci_msix_shutdown(pci_dev); } -#ifdef CONFIG_PM_OPS +#ifdef CONFIG_PM /* Auxiliary functions used for system resume and run-time resume. */ @@ -1059,7 +1059,7 @@ static int pci_pm_runtime_idle(struct device *dev) #endif /* !CONFIG_PM_RUNTIME */ -#ifdef CONFIG_PM_OPS +#ifdef CONFIG_PM const struct dev_pm_ops pci_dev_pm_ops = { .prepare = pci_pm_prepare, diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index cf2b3654b4a8..c85438a367d5 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -23,6 +23,7 @@ #include <linux/mm.h> #include <linux/fs.h> #include <linux/capability.h> +#include <linux/security.h> #include <linux/pci-aspm.h> #include <linux/slab.h> #include "pci.h" @@ -368,7 +369,7 @@ pci_read_config(struct file *filp, struct kobject *kobj, u8 *data = (u8*) buf; /* Several chips lock up trying to read undefined config space */ - if (cap_raised(filp->f_cred->cap_effective, CAP_SYS_ADMIN)) { + if (security_capable(filp->f_cred, CAP_SYS_ADMIN) == 0) { size = dev->cfg_size; } else if (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS) { size = 128; diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c index 3a5a6fcc0ead..492b7d807fe8 100644 --- a/drivers/pci/xen-pcifront.c +++ b/drivers/pci/xen-pcifront.c @@ -243,7 +243,7 @@ struct pci_ops pcifront_bus_ops = { #ifdef CONFIG_PCI_MSI static int pci_frontend_enable_msix(struct pci_dev *dev, - int **vector, int nvec) + int vector[], int nvec) { int err; int i; @@ -277,18 +277,24 @@ static int pci_frontend_enable_msix(struct pci_dev *dev, if (likely(!err)) { if (likely(!op.value)) { /* we get the result */ - for (i = 0; i < nvec; i++) - *(*vector+i) = op.msix_entries[i].vector; - return 0; + for (i = 0; i < nvec; i++) { + if (op.msix_entries[i].vector <= 0) { + dev_warn(&dev->dev, "MSI-X entry %d is invalid: %d!\n", + i, op.msix_entries[i].vector); + err = -EINVAL; + vector[i] = -1; + continue; + } + vector[i] = op.msix_entries[i].vector; + } } else { printk(KERN_DEBUG "enable msix get value %x\n", op.value); - return op.value; } } else { dev_err(&dev->dev, "enable msix get err %x\n", err); - return err; } + return err; } static void pci_frontend_disable_msix(struct pci_dev *dev) @@ -310,7 +316,7 @@ static void pci_frontend_disable_msix(struct pci_dev *dev) dev_err(&dev->dev, "pci_disable_msix get err %x\n", err); } -static int pci_frontend_enable_msi(struct pci_dev *dev, int **vector) +static int pci_frontend_enable_msi(struct pci_dev *dev, int vector[]) { int err; struct xen_pci_op op = { @@ -324,7 +330,13 @@ static int pci_frontend_enable_msi(struct pci_dev *dev, int **vector) err = do_pci_op(pdev, &op); if (likely(!err)) { - *(*vector) = op.value; + vector[0] = op.value; + if (op.value <= 0) { + dev_warn(&dev->dev, "MSI entry is invalid: %d!\n", + op.value); + err = -EINVAL; + vector[0] = -1; + } } else { dev_err(&dev->dev, "pci frontend enable msi failed for dev " "%x:%x\n", op.bus, op.devfn); @@ -733,8 +745,7 @@ static void free_pdev(struct pcifront_device *pdev) pcifront_free_roots(pdev); - /*For PCIE_AER error handling job*/ - flush_scheduled_work(); + cancel_work_sync(&pdev->op_work); if (pdev->irq >= 0) unbind_from_irqhandler(pdev->irq, pdev); |