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authorTejun Heo <tj@kernel.org>2013-02-27 17:04:33 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-27 19:10:18 -0800
commit589e9c4dace6995440c119486919ce95b180dd38 (patch)
treec2ebe00ca09cc9241df8a11a33229257e1c01a9b /drivers/mtd/mtdcore.c
parent803d9e043dc31ea2d26442618f0eb020550f8e08 (diff)
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>
Diffstat (limited to 'drivers/mtd/mtdcore.c')
-rw-r--r--drivers/mtd/mtdcore.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
index ec794a72975..61d5f56473e 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;