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| author | Wanlong Gao <wanlong.gao@gmail.com> | 2011-04-04 17:12:59 +0800 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2011-05-10 15:43:30 -0700 |
| commit | 40294d8f14384780a61a2dea8c92a231176ae301 (patch) | |
| tree | 3f77092858a965b10827bd10b2a9171489a6f343 | |
| parent | 0e8ede5351b53610363215f750e576ca1db1d0cd (diff) | |
| download | linux-40294d8f14384780a61a2dea8c92a231176ae301.tar.gz linux-40294d8f14384780a61a2dea8c92a231176ae301.tar.bz2 linux-40294d8f14384780a61a2dea8c92a231176ae301.zip | |
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>
| -rw-r--r-- | 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 f62079ff06dd..95489cd9a555 100644 --- 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); |