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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>
This commit is contained in:
Wanlong Gao 2011-04-04 17:12:59 +08:00 committed by Jesse Barnes
parent 0e8ede5351
commit 40294d8f14
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/pcie/aer/aer_inject.c
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@ -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);