From: Wanlong Gao <wanlong.gao@xxxxxxxxx> If it was preempted , and the variable aer_mask_override is changed after the spin_unlock_irqrestore , it will write an uninitialized variable by the pci_write_config_dword() function . Signed-off-by: Wanlong Gao <wanlong.gao@xxxxxxxxx> --- drivers/pci/pcie/aer/aer_inject.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/pci/pcie/aer/aer_inject.c b/drivers/pci/pcie/aer/aer_inject.c index f62079f..95489cd --- a/drivers/pci/pcie/aer/aer_inject.c +++ b/drivers/pci/pcie/aer/aer_inject.c @@ -326,7 +326,7 @@ static int aer_inject(struct aer_error_inj *einj) unsigned long flags; unsigned int devfn = PCI_DEVFN(einj->dev, einj->fn); int pos_cap_err, rp_pos_cap_err; - u32 sever, cor_mask, uncor_mask, cor_mask_orig, uncor_mask_orig; + u32 sever, cor_mask, uncor_mask, cor_mask_orig = 0, uncor_mask_orig = 0; int ret = 0; dev = pci_get_domain_bus_and_slot((int)einj->domain, einj->bus, devfn); -- 1.7.3 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html