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-rw-r--r--drivers/pci/iov.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index b2e8322755c1..132bd4447534 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -448,7 +448,9 @@ static ssize_t sriov_numvfs_store(struct device *dev,
if (num_vfs == 0) {
/* disable VFs */
+ pci_lock_rescan_remove();
ret = pdev->driver->sriov_configure(pdev, 0);
+ pci_unlock_rescan_remove();
goto exit;
}
@@ -460,7 +462,9 @@ static ssize_t sriov_numvfs_store(struct device *dev,
goto exit;
}
+ pci_lock_rescan_remove();
ret = pdev->driver->sriov_configure(pdev, num_vfs);
+ pci_unlock_rescan_remove();
if (ret < 0)
goto exit;