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mtd: convert to idr_alloc() 

Convert to the much saner new idr interface.

Signed-off-by: Tejun Heo <tj@kernel.org>
Tested-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Tejun Heo 2013-02-27 17:04:33 -08:00 committed by Linus Torvalds
parent 803d9e043d
commit 589e9c4dac
1 changed files with 2 additions and 7 deletions
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9
drivers/mtd/mtdcore.c
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@ -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;