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IB/ipath: convert to idr_alloc()
Convert to the much saner new idr interface. [yongjun_wei@trendmicro.com.cn: use GFP_NOWAIT under spin lock] Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Cc: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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parent
cbbbce1de2
commit
5c213f8641
1 changed files with 4 additions and 12 deletions
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@ -194,11 +194,6 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
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struct ipath_devdata *dd;
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int ret;
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if (!idr_pre_get(&unit_table, GFP_KERNEL)) {
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dd = ERR_PTR(-ENOMEM);
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goto bail;
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}
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dd = vzalloc(sizeof(*dd));
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if (!dd) {
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dd = ERR_PTR(-ENOMEM);
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@ -206,9 +201,10 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
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}
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dd->ipath_unit = -1;
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idr_preload(GFP_KERNEL);
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spin_lock_irqsave(&ipath_devs_lock, flags);
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ret = idr_get_new(&unit_table, dd, &dd->ipath_unit);
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ret = idr_alloc(&unit_table, dd, 0, 0, GFP_NOWAIT);
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if (ret < 0) {
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printk(KERN_ERR IPATH_DRV_NAME
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": Could not allocate unit ID: error %d\n", -ret);
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@ -216,6 +212,7 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
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dd = ERR_PTR(ret);
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goto bail_unlock;
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}
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dd->ipath_unit = ret;
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dd->pcidev = pdev;
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pci_set_drvdata(pdev, dd);
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@ -224,7 +221,7 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
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bail_unlock:
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spin_unlock_irqrestore(&ipath_devs_lock, flags);
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idr_preload_end();
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bail:
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return dd;
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}
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@ -2503,11 +2500,6 @@ static int __init infinipath_init(void)
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* the PCI subsystem.
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*/
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idr_init(&unit_table);
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if (!idr_pre_get(&unit_table, GFP_KERNEL)) {
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printk(KERN_ERR IPATH_DRV_NAME ": idr_pre_get() failed\n");
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ret = -ENOMEM;
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goto bail;
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}
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ret = pci_register_driver(&ipath_driver);
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if (ret < 0) {
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