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| author | Jens Axboe <axboe@kernel.dk> | 2019-05-15 01:02:22 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-06-01 00:30:03 +0300 |
| commit | 87e5e6dab6c2a21fab2620f37786276d202e2ce0 (patch) | |
| tree | 617496186deb33cc30c77506130bc21973c77710 /include/linux/uio.h | |
| parent | 61939b12dc24d0ac958020f261046c35a16e0c48 (diff) | |
| download | linux-87e5e6dab6c2a21fab2620f37786276d202e2ce0.tar.xz | |
uio: make import_iovec()/compat_import_iovec() return bytes on success
Currently these functions return < 0 on error, and 0 for success.
Change that so that we return < 0 on error, but number of bytes
for success.
Some callers already treat the return value that way, others need a
slight tweak.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux/uio.h')
| -rw-r--r-- | include/linux/uio.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/uio.h b/include/linux/uio.h index 2d0131ad4604..a61ceb6575ab 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -279,13 +279,13 @@ bool csum_and_copy_from_iter_full(void *addr, size_t bytes, __wsum *csum, struct size_t hash_and_copy_to_iter(const void *addr, size_t bytes, void *hashp, struct iov_iter *i); -int import_iovec(int type, const struct iovec __user * uvector, +ssize_t import_iovec(int type, const struct iovec __user * uvector, unsigned nr_segs, unsigned fast_segs, struct iovec **iov, struct iov_iter *i); #ifdef CONFIG_COMPAT struct compat_iovec; -int compat_import_iovec(int type, const struct compat_iovec __user * uvector, +ssize_t compat_import_iovec(int type, const struct compat_iovec __user * uvector, unsigned nr_segs, unsigned fast_segs, struct iovec **iov, struct iov_iter *i); #endif |