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Commit f81b0ac4 authored by Michael Chan's avatar Michael Chan Committed by David S. Miller
Browse files

cnic: Free UIO rings when the device is closed. 



This will free up unneeded memory.

Reviewed-by: default avatarEddie Wai <eddie.wai@broadcom.com>
Reviewed-by: default avatarBhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: default avatarMichael Chan <mchan@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 74dd0c42

drivers/net/ethernet/broadcom/cnic.c

+7 −0
Original line number Diff line number Diff line
@@ -868,6 +868,8 @@ static void cnic_free_resc(struct cnic_dev *dev) 
	if (udev) {

		udev->dev = NULL;

		cp->udev = NULL;

		if (udev->uio_dev == -1)

			__cnic_free_uio_rings(udev);

	}



	cnic_free_context(dev);
@@ -1039,6 +1041,11 @@ static int cnic_alloc_uio_rings(struct cnic_dev *dev, int pages) 
	list_for_each_entry(udev, &cnic_udev_list, list) {

		if (udev->pdev == dev->pcidev) {

			udev->dev = dev;

			if (__cnic_alloc_uio_rings(udev, pages)) {

				udev->dev = NULL;

				read_unlock(&cnic_dev_lock);

				return -ENOMEM;

			}

			cp->udev = udev;

			read_unlock(&cnic_dev_lock);

			return 0;