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null_blk: use available 'dev' in nullb_device_power_store()
author
Jens Axboe
<axboe@kernel.dk>
Mon, 28 Aug 2017 21:06:31 +0000
(15:06 -0600)
committer
Jens Axboe
<axboe@kernel.dk>
Mon, 28 Aug 2017 21:06:31 +0000
(15:06 -0600)
We already have this pointer, no need to use to_nullb_device()
again.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/null_blk.c
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diff --git
a/drivers/block/null_blk.c
b/drivers/block/null_blk.c
index
3b5cabe
..
bd92286
100644
(file)
--- a/
drivers/block/null_blk.c
+++ b/
drivers/block/null_blk.c
@@
-375,7
+375,7
@@
static ssize_t nullb_device_power_store(struct config_item *item,
set_bit(NULLB_DEV_FL_CONFIGURED, &dev->flags);
dev->power = newp;
- } else if (
to_nullb_device(item)
->power && !newp) {
+ } else if (
dev
->power && !newp) {
mutex_lock(&lock);
dev->power = newp;
null_del_dev(dev->nullb);