[PATCH 33/62] mfd: convert to idr_alloc()

From: Tejun Heo
Date: Sat Feb 02 2013 - 20:29:34 EST


Convert to the much saner new idr interface.

Only compile tested.

Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
---
This patch depends on an earlier idr changes and I think it would be
best to route these together through -mm. Please holler if there's
any objection. Thanks.

drivers/mfd/rtsx_pcr.c | 13 ++++++-------
1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index 7a7b0bd..76172d8 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -1032,15 +1032,14 @@ static int rtsx_pci_probe(struct pci_dev *pcidev,
}
handle->pcr = pcr;

- if (!idr_pre_get(&rtsx_pci_idr, GFP_KERNEL)) {
- ret = -ENOMEM;
- goto free_handle;
- }
-
+ idr_preload(GFP_KERNEL);
spin_lock(&rtsx_pci_lock);
- ret = idr_get_new(&rtsx_pci_idr, pcr, &pcr->id);
+ ret = idr_alloc(&rtsx_pci_idr, pcr, 0, 0, GFP_NOWAIT);
+ if (ret >= 0)
+ pcr->id = ret;
spin_unlock(&rtsx_pci_lock);
- if (ret)
+ idr_preload_end();
+ if (ret < 0)
goto free_handle;

pcr->pci = pcidev;
--
1.8.1

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