Commit 9a8c28c8 authored by Dmitry Monakhov's avatar Dmitry Monakhov Committed by Jens Axboe
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blktrace: perform cleanup after setup error

Currently even if BLKTRACESETUP ioctl has failed user must call
BLKTRACETEARDOWN to be shure what all staff was cleaned, which
is contr-intuitive.
Let's setup ioctl make necessery cleanup by it self.
Signed-off-by: default avatarDmitry Monakhov <>
Signed-off-by: default avatarJens Axboe <>
parent 9f7cdbc3
......@@ -540,9 +540,10 @@ int blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
if (ret)
return ret;
if (copy_to_user(arg, &buts, sizeof(buts)))
if (copy_to_user(arg, &buts, sizeof(buts))) {
return -EFAULT;
return 0;
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