Convert to the much saner new idr interface.
Only compile tested.
Signed-off-by: Tejun Heo <t...@kernel.org>
Cc: Chris Ball <c...@laptop.org>
Cc: linux-mmc@vger.kernel.org
---
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/mmc/core/host.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index ee2e16b..1117de7 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -306,19 +306,20 @@ struct mmc_host *mmc_alloc_host(int extra, struct device
*dev)
int err;
struct mmc_host *host;
- if (!idr_pre_get(&mmc_host_idr, GFP_KERNEL))
- return NULL;
-
host = kzalloc(sizeof(struct mmc_host) + extra, GFP_KERNEL);
if (!host)
return NULL;
/* scanning will be enabled when we're ready */
host->rescan_disable = 1;
+ idr_preload(GFP_KERNEL);
spin_lock(&mmc_host_lock);
- err = idr_get_new(&mmc_host_idr, host, &host->index);
+ err = idr_alloc(&mmc_host_idr, host, 0, 0, GFP_NOWAIT);
+ if (err >= 0)
+ host->index = err;
spin_unlock(&mmc_host_lock);
- if (err)
+ idr_preload_end();
+ if (err < 0)
goto free;
dev_set_name(&host->class_dev, "mmc%d", host->index);
--
1.8.1
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