mfd: convert to idr_alloc()
Convert to the much saner new idr interface.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index 481a98a..2f12cc1 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -1091,15 +1091,14 @@
}
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;