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bcache: Use PTR_ERR_OR_ZERO()

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Fix ptr_ret.cocci warnings:
drivers/md/bcache/btree.c:1800:1-3: WARNING: PTR_ERR_OR_ZERO can be used

Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: scripts/coccinelle/api/ptr_ret.cocci

Signed-off-by: Vasyl Gomonovych <gomonovych@gmail.com>
Reviewed-by: Michael Lyle <mlyle@lyle.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Vasyl Gomonovych 2018-01-08 12:21:20 -08:00 committed by Jens Axboe
parent 8d29c4426b
commit 9d13411784
1 changed files with 1 additions and 4 deletions
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5
drivers/md/bcache/btree.c
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@ -1804,10 +1804,7 @@ static int bch_gc_thread(void *arg)
int bch_gc_thread_start(struct cache_set *c)
{
c->gc_thread = kthread_run(bch_gc_thread, c, "bcache_gc");
if (IS_ERR(c->gc_thread))
return PTR_ERR(c->gc_thread);
return 0;
return PTR_ERR_OR_ZERO(c->gc_thread);
}
/* Initial partial gc */