* [PATCH 37/62] mtd: convert to idr_alloc()
[not found] <1359854463-2538-1-git-send-email-tj@kernel.org>
@ 2013-02-03 1:20 ` Tejun Heo
2013-02-04 13:09 ` Ezequiel Garcia
0 siblings, 1 reply; 2+ messages in thread
From: Tejun Heo @ 2013-02-03 1:20 UTC (permalink / raw)
To: akpm
Cc: axboe, skinsbursky, rusty, jmorris, linux-kernel, bfields,
linux-mtd, ebiederm, Tejun Heo, David Woodhouse
Convert to the much saner new idr interface.
Only compile tested.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: linux-mtd@lists.infradead.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/mtd/mtdcore.c | 9 ++-------
1 file changed, 2 insertions(+), 7 deletions(-)
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index ec794a7..61d5f56 100644
--- a/drivers/mtd/mtdcore.c
+++ b/drivers/mtd/mtdcore.c
@@ -349,13 +349,8 @@ int add_mtd_device(struct mtd_info *mtd)
BUG_ON(mtd->writesize == 0);
mutex_lock(&mtd_table_mutex);
- do {
- if (!idr_pre_get(&mtd_idr, GFP_KERNEL))
- goto fail_locked;
- error = idr_get_new(&mtd_idr, mtd, &i);
- } while (error == -EAGAIN);
-
- if (error)
+ i = idr_alloc(&mtd_idr, mtd, 0, 0, GFP_KERNEL);
+ if (i < 0)
goto fail_locked;
mtd->index = i;
--
1.8.1
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