[PATCH] PCI: PCIe: Fix uninitialized variable 'cap_mask'

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Get rid of these:

drivers/pci/pcie/portdrv_core.c: In function 'pcie_port_device_register':
drivers/pci/pcie/portdrv_core.c:275:16: warning: 'cap_mask' may be used
uninitialized in this function [-Wuninitialized]
drivers/pci/pcie/portdrv_core.c:240:6: note: 'cap_mask' was declared here

In some cases, 'cap_mask' may be not set in pcie_port_platform_notify,
holding a garbage value.

Signed-off-by: Chunhe Lan <Chunhe.Lan@xxxxxxxxxxxxx>
 drivers/pci/pcie/portdrv_core.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 595654a..751b464 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -237,7 +237,7 @@ static int get_port_device_capability(struct pci_dev *dev)
 	int services = 0, pos;
 	u16 reg16;
 	u32 reg32;
-	int cap_mask;
+	int cap_mask = 0;
 	int err;
 	if (pcie_ports_disabled)

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