* [PATCH 53/77] mtd: convert to idr_alloc()
[not found] <1360179649-22465-1-git-send-email-tj@kernel.org>
@ 2013-02-06 19:40 ` Tejun Heo
0 siblings, 0 replies; only message in thread
From: Tejun Heo @ 2013-02-06 19:40 UTC (permalink / raw)
To: akpm; +Cc: Tejun Heo, linux-mtd, David Woodhouse, linux-kernel
Convert to the much saner new idr interface.
Only compile tested.
Signed-off-by: Tejun Heo <tj@kernel.org>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: linux-mtd@lists.infradead.org
---
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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[not found] <1360179649-22465-1-git-send-email-tj@kernel.org>
2013-02-06 19:40 ` [PATCH 53/77] mtd: convert to idr_alloc() Tejun Heo
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