Merge tag 'pci-v3.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI changes from Bjorn Helgaas:
 "Here are the PCI changes intended for v3.19.  I don't think there's
  anything very exciting here, but there was a lot of MSI-related stuff
  coming via Thomas.

  Details:

  NUMA
    - Allow numa_node override via sysfs (Prarit Bhargava)

  Resource management
    - Restore detection of read-only BARs (Myron Stowe)
    - Shrink decoding-disabled window while sizing BARs (Myron Stowe)
    - Add informational printk for invalid BARs (Myron Stowe)
    - Remove fixed parameter in pci_iov_resource_bar() (Myron Stowe)

  MSI
    - Add pci_msi_ignore_mask to prevent writes to MSI/MSI-X Mask Bits (Yijing Wang)
    - Revert "PCI: Add x86_msi.msi_mask_irq() and msix_mask_irq()" (Yijing Wang)
    - s390/MSI: Use __msi_mask_irq() instead of default_msi_mask_irq() (Yijing Wang)

  Virtualization
    - xen: Process failure for pcifront_(re)scan_root() (Chen Gang)
    - Make FLR and AF FLR reset warning messages different (Gavin Shan)

  Generic host bridge driver
    - Allocate config space windows after limiting bus number range (Lorenzo Pieralisi)
    - Convert to DT resource parsing API (Lorenzo Pieralisi)

  Freescale Layerscape
    - Add Freescale Layerscape PCIe driver (Minghuan Lian)

  NVIDIA Tegra
    - Do not build on 64-bit ARM (Thierry Reding)
    - Add Kconfig help text (Thierry Reding)

  Renesas R-Car
    - Make rcar_pci static (Jingoo Han)

  Samsung Exynos
    - Add exynos prefix to add_pcie_port(), pcie_init() (Jingoo Han)

  ST Microelectronics SPEAr13xx
    - Add spear prefix to add_pcie_port(), pcie_init() (Jingoo Han)
    - Make spear13xx_add_pcie_port() __init (Jingoo Han)
    - Remove unnecessary OOM message (Jingoo Han)

  TI DRA7xx
    - Add dra7xx prefix to add_pcie_port() (Jingoo Han)
    - Make dra7xx_add_pcie_port() __init (Jingoo Han)

  TI Keystone
    - Make ks_dw_pcie_msi_domain_ops static (Jingoo Han)
    - Remove unnecessary OOM message (Jingoo Han)

  Miscellaneous
    - Delete unnecessary NULL pointer checks (Markus Elfring)
    - Remove unused to_hotplug_slot() (Gavin Shan)
    - Whitespace cleanup (Jingoo Han)
    - Simplify if-return sequences (Quentin Lambert)"

* tag 'pci-v3.19-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: (28 commits)
  PCI: Remove fixed parameter in pci_iov_resource_bar()
  PCI: Add informational printk for invalid BARs
  PCI: tegra: Add Kconfig help text
  PCI: tegra: Do not build on 64-bit ARM
  PCI: spear: Remove unnecessary OOM message
  PCI: mvebu: Add a blank line after declarations
  PCI: designware: Add a blank line after declarations
  PCI: exynos: Remove unnecessary return statement
  PCI: imx6: Use tabs for indentation
  PCI: keystone: Remove unnecessary OOM message
  PCI: Remove unused and broken to_hotplug_slot()
  PCI: Make FLR and AF FLR reset warning messages different
  PCI: dra7xx: Add __init annotation to dra7xx_add_pcie_port()
  PCI: spear: Add __init annotation to spear13xx_add_pcie_port()
  PCI: spear: Rename add_pcie_port(), pcie_init() to spear13xx_add_pcie_port(), etc.
  PCI: dra7xx: Rename add_pcie_port() to dra7xx_add_pcie_port()
  PCI: layerscape: Add Freescale Layerscape PCIe driver
  PCI: Simplify if-return sequences
  PCI: Delete unnecessary NULL pointer checks
  PCI: Shrink decoding-disabled window while sizing BARs
  ...

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index a81f413..a20ce7d 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -271,8 +271,7 @@ static struct pci_dev *pci_get_dev_by_id(const struct pci_device_id *id,
 			      match_pci_dev_by_id);
 	if (dev)
 		pdev = to_pci_dev(dev);
-	if (from)
-		pci_dev_put(from);
+	pci_dev_put(from);
 	return pdev;
 }