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| author | Bjorn Helgaas <bhelgaas@google.com> | 2014-02-15 01:38:00 +0400 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2014-02-15 01:38:00 +0400 |
| commit | c128856b48b1a7132166c6b37a53b086d549fbde (patch) | |
| tree | c4c1bb2baa1e25a436f09efb17a8304364bf7901 /drivers/pci | |
| parent | c80ef97ae4848c4592f0fac9c06d7f436862a28d (diff) | |
| parent | 94cccde648d32abe61e2d0d1b18178f3027f1a78 (diff) | |
| download | linux-c128856b48b1a7132166c6b37a53b086d549fbde.tar.xz | |
Merge branch 'pci/msi' into next
* pci/msi:
vfio: Use pci_enable_msi_range() and pci_enable_msix_range()
ahci: Use pci_enable_msi_range() instead of pci_enable_msi_block()
ahci: Fix broken fallback to single MSI mode
PCI/MSI: Add pci_enable_msi_exact() and pci_enable_msix_exact()
PCI/MSI: Fix cut-and-paste errors in documentation
PCI/MSI: Add pci_enable_msi() documentation back
PCI/MSI: Fix pci_msix_vec_count() htmldocs failure
PCI/MSI: Fix leak of msi_attrs
PCI/MSI: Check kmalloc() return value, fix leak of name
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/msi.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 7a0fec6ce571..955ab7990c5b 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -545,9 +545,15 @@ static int populate_msi_sysfs(struct pci_dev *pdev) return -ENOMEM; list_for_each_entry(entry, &pdev->msi_list, list) { char *name = kmalloc(20, GFP_KERNEL); + if (!name) + goto error_attrs; + msi_dev_attr = kzalloc(sizeof(*msi_dev_attr), GFP_KERNEL); - if (!msi_dev_attr) + if (!msi_dev_attr) { + kfree(name); goto error_attrs; + } + sprintf(name, "%d", entry->irq); sysfs_attr_init(&msi_dev_attr->attr); msi_dev_attr->attr.name = name; @@ -589,6 +595,7 @@ error_attrs: ++count; msi_attr = msi_attrs[count]; } + kfree(msi_attrs); return ret; } @@ -959,7 +966,6 @@ EXPORT_SYMBOL(pci_disable_msi); /** * pci_msix_vec_count - return the number of device's MSI-X table entries * @dev: pointer to the pci_dev data structure of MSI-X device function - * This function returns the number of device's MSI-X table entries and * therefore the number of MSI-X vectors device is capable of sending. * It returns a negative errno if the device is not capable of sending MSI-X |