Commit 40294d8f authored by Wanlong Gao's avatar Wanlong Gao Committed by Jesse Barnes

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: default avatarWanlong Gao <>
Signed-off-by: default avatarJesse Barnes <>
parent 0e8ede53
......@@ -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);
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