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| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-03-22 01:06:04 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-12 04:27:13 +0200 |
| commit | 8f7e885a4cc167f8b1931800fa1319772ae4b11d (patch) | |
| tree | c6bda5eac7995f9330120ddafcb1afe6b9086632 /block/blk-map.c | |
| parent | sg_io(): use import_iovec() (diff) | |
| download | linux-8f7e885a4cc167f8b1931800fa1319772ae4b11d.tar.xz linux-8f7e885a4cc167f8b1931800fa1319772ae4b11d.zip | |
blk_rq_map_user(): use import_single_range()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'block/blk-map.c')
| -rw-r--r-- | block/blk-map.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/block/blk-map.c b/block/blk-map.c index b8d2725324a6..da310a105429 100644 --- a/block/blk-map.c +++ b/block/blk-map.c @@ -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); } |