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blk_rq_map_user(): use import_single_range()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-03-21 20:06:04 -04:00
parent e272b89ff8
commit 8f7e885a4c
1 changed files with 3 additions and 3 deletions
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6
block/blk-map.c
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@ -124,10 +124,10 @@ int blk_rq_map_user(struct request_queue *q, struct request *rq,
{
struct iovec iov;
struct iov_iter i;
int ret = import_single_range(rq_data_dir(rq), ubuf, len, &iov, &i);
iov.iov_base = ubuf;
iov.iov_len = len;
iov_iter_init(&i, rq_data_dir(rq), &iov, 1, len);
if (unlikely(ret < 0))
return ret;
return blk_rq_map_user_iov(q, rq, map_data, &i, gfp_mask);
}