X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=drivers%2Fvfio%2Fpci%2Fvfio_pci.c;h=7ba0424988573a83109293e4c7e80c5f683deec2;hb=2d08cd0ef89a24f5eb6c6801c48cd06bca230d6d;hp=2319d206f63092f7a73d90d6fdb5b36bf4447d5c;hpb=5c85121bf618aece49155f6eea0d0b2c14c1a121;p=karo-tx-linux.git

diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 2319d206f630..7ba042498857 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -872,9 +872,13 @@ static pci_ers_result_t vfio_pci_aer_err_detected(struct pci_dev *pdev,
 		return PCI_ERS_RESULT_DISCONNECT;
 	}
 
+	mutex_lock(&vdev->igate);
+
 	if (vdev->err_trigger)
 		eventfd_signal(vdev->err_trigger, 1);
 
+	mutex_unlock(&vdev->igate);
+
 	vfio_device_put(device);
 
 	return PCI_ERS_RESULT_CAN_RECOVER;