1 files changed, 26 insertions, 2 deletions

diff --git a/drivers/pci/pcie/aer/aer_inject.c b/drivers/pci/pcie/aer/aer_inject.c
index 797d47809f7a..223052b73563 100644
--- a/drivers/pci/pcie/aer/aer_inject.c
+++ b/drivers/pci/pcie/aer/aer_inject.c
@@ -321,7 +321,7 @@ 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;
+        u32 sever, cor_mask, uncor_mask;
         int ret = 0;
 
         dev = pci_get_domain_bus_and_slot((int)einj->domain, einj->bus, devfn);
@@ -339,6 +339,9 @@ static int aer_inject(struct aer_error_inj *einj)
                 goto out_put;
         }
         pci_read_config_dword(dev, pos_cap_err + PCI_ERR_UNCOR_SEVER, &sever);
+        pci_read_config_dword(dev, pos_cap_err + PCI_ERR_COR_MASK, &cor_mask);
+        pci_read_config_dword(dev, pos_cap_err + PCI_ERR_UNCOR_MASK,
+                              &uncor_mask);
 
         rp_pos_cap_err = pci_find_ext_capability(rpdev, PCI_EXT_CAP_ID_ERR);
         if (!rp_pos_cap_err) {
@@ -374,6 +377,21 @@ static int aer_inject(struct aer_error_inj *einj)
         err->header_log2 = einj->header_log2;
         err->header_log3 = einj->header_log3;
 
+        if (einj->cor_status && !(einj->cor_status & ~cor_mask)) {
+                ret = -EINVAL;
+                printk(KERN_WARNING "The correctable error(s) is masked "
+                                "by device\n");
+                spin_unlock_irqrestore(&inject_lock, flags);
+                goto out_put;
+        }
+        if (einj->uncor_status && !(einj->uncor_status & ~uncor_mask)) {
+                ret = -EINVAL;
+                printk(KERN_WARNING "The uncorrectable error(s) is masked "
+                                "by device\n");
+                spin_unlock_irqrestore(&inject_lock, flags);
+                goto out_put;
+        }
+
         rperr = __find_aer_error_by_dev(rpdev);
         if (!rperr) {
                 rperr = rperr_alloc;
@@ -413,8 +431,14 @@ static int aer_inject(struct aer_error_inj *einj)
         if (ret)
                 goto out_put;
 
-        if (find_aer_device(rpdev, &edev))
+        if (find_aer_device(rpdev, &edev)) {
+                if (!get_service_data(edev)) {
+                        printk(KERN_WARNING "AER service is not initialized\n");
+                        ret = -EINVAL;
+                        goto out_put;
+                }
                 aer_irq(-1, edev);
+        }
         else
                 ret = -EINVAL;
 out_put: