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authorAaron Sierra <asierra@xes-inc.com>2018-10-15 23:32:47 +0300
committerJon Mason <jdmason@kudzu.us>2018-11-01 04:20:05 +0300
commit906e86b22dba61cb1baaed9be7fdcbf0afd74d7b (patch)
treea8e10a97d5a3d749c3dc808f09c7fd17e4de2da2 /drivers/net/ntb_netdev.c
parentfc5d1829f9bf3d8275322727c0e9a8baf268b7c6 (diff)
downloadlinux-906e86b22dba61cb1baaed9be7fdcbf0afd74d7b.tar.xz
ntb_netdev: Simplify remove with client device drvdata
Replace the elaborate private structure global linked-list used in ntb_netdev_probe() and ntb_netdev_remove() by stashing our private data in the NTB transport client device. Signed-off-by: Aaron Sierra <asierra@xes-inc.com> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
Diffstat (limited to 'drivers/net/ntb_netdev.c')
-rw-r--r--drivers/net/ntb_netdev.c28
1 files changed, 3 insertions, 25 deletions
diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c
index df8d49ad48c3..a5bab614ff84 100644
--- a/drivers/net/ntb_netdev.c
+++ b/drivers/net/ntb_netdev.c
@@ -71,7 +71,6 @@ static unsigned int tx_start = 10;
static unsigned int tx_stop = 5;
struct ntb_netdev {
- struct list_head list;
struct pci_dev *pdev;
struct net_device *ndev;
struct ntb_transport_qp *qp;
@@ -81,8 +80,6 @@ struct ntb_netdev {
#define NTB_TX_TIMEOUT_MS 1000
#define NTB_RXQ_SIZE 100
-static LIST_HEAD(dev_list);
-
static void ntb_netdev_event_handler(void *data, int link_is_up)
{
struct net_device *ndev = data;
@@ -452,7 +449,7 @@ static int ntb_netdev_probe(struct device *client_dev)
if (rc)
goto err1;
- list_add(&dev->list, &dev_list);
+ dev_set_drvdata(client_dev, ndev);
dev_info(&pdev->dev, "%s created\n", ndev->name);
return 0;
@@ -465,27 +462,8 @@ err:
static void ntb_netdev_remove(struct device *client_dev)
{
- struct ntb_dev *ntb;
- struct net_device *ndev;
- struct pci_dev *pdev;
- struct ntb_netdev *dev;
- bool found = false;
-
- ntb = dev_ntb(client_dev->parent);
- pdev = ntb->pdev;
-
- list_for_each_entry(dev, &dev_list, list) {
- if (dev->pdev == pdev) {
- found = true;
- break;
- }
- }
- if (!found)
- return;
-
- list_del(&dev->list);
-
- ndev = dev->ndev;
+ struct net_device *ndev = dev_get_drvdata(client_dev);
+ struct ntb_netdev *dev = netdev_priv(ndev);
unregister_netdev(ndev);
ntb_transport_free_queue(dev->qp);