PCI: Fix uninitialized variable bug in AER injection code
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@gmail.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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@ -326,7 +326,7 @@ static int aer_inject(struct aer_error_inj *einj)
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unsigned long flags;
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unsigned int devfn = PCI_DEVFN(einj->dev, einj->fn);
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int pos_cap_err, rp_pos_cap_err;
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u32 sever, cor_mask, uncor_mask, cor_mask_orig, uncor_mask_orig;
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u32 sever, cor_mask, uncor_mask, cor_mask_orig = 0, uncor_mask_orig = 0;
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int ret = 0;
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dev = pci_get_domain_bus_and_slot((int)einj->domain, einj->bus, devfn);
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