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mtd: convert to idr_alloc()

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Convert to the much saner new idr interface.

Signed-off-by: Tejun Heo <[email protected]>
Tested-by: Ezequiel Garcia <[email protected]>
Cc: David Woodhouse <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Tejun Heo 2013-02-27 17:04:33 -08:00 • committed by Linus Torvalds
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;