From 35aa2d141ba7839a681aeec27d1a982159453476 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Thu, 7 Feb 2013 12:31:41 +1100 Subject: [PATCH] IB/ipath: convert to idr_alloc() Convert to the much saner new idr interface. Only compile tested. Signed-off-by: Tejun Heo Cc: Mike Marciniszyn Signed-off-by: Andrew Morton --- drivers/infiniband/hw/ipath/ipath_driver.c | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c index 7b371f545ece..fcdaeea9f7de 100644 --- a/drivers/infiniband/hw/ipath/ipath_driver.c +++ b/drivers/infiniband/hw/ipath/ipath_driver.c @@ -194,11 +194,6 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev) struct ipath_devdata *dd; int ret; - if (!idr_pre_get(&unit_table, GFP_KERNEL)) { - dd = ERR_PTR(-ENOMEM); - goto bail; - } - dd = vzalloc(sizeof(*dd)); if (!dd) { dd = ERR_PTR(-ENOMEM); @@ -206,9 +201,10 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev) } dd->ipath_unit = -1; + idr_preload(GFP_KERNEL); spin_lock_irqsave(&ipath_devs_lock, flags); - ret = idr_get_new(&unit_table, dd, &dd->ipath_unit); + ret = idr_alloc(&unit_table, dd, 0, 0, GFP_KERNEL); if (ret < 0) { printk(KERN_ERR IPATH_DRV_NAME ": Could not allocate unit ID: error %d\n", -ret); @@ -216,6 +212,7 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev) dd = ERR_PTR(ret); goto bail_unlock; } + dd->ipath_unit = ret; dd->pcidev = pdev; pci_set_drvdata(pdev, dd); @@ -224,7 +221,7 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev) bail_unlock: spin_unlock_irqrestore(&ipath_devs_lock, flags); - + idr_preload_end(); bail: return dd; } @@ -2503,11 +2500,6 @@ static int __init infinipath_init(void) * the PCI subsystem. */ idr_init(&unit_table); - if (!idr_pre_get(&unit_table, GFP_KERNEL)) { - printk(KERN_ERR IPATH_DRV_NAME ": idr_pre_get() failed\n"); - ret = -ENOMEM; - goto bail; - } ret = pci_register_driver(&ipath_driver); if (ret < 0) { -- 2.39.5