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| author | Dave Chinner <dchinner@redhat.com> | 2012-06-08 05:45:44 (GMT) |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2012-06-14 17:28:25 (GMT) |
| commit | 5276432997feb2366ac1e77949e94fe86a394813 (patch) | |
| tree | d0baa43c4163d417da717606cfa2d065cdc80515 | |
| parent | 32972383ca46223aa2b129826b3789721ec147aa (diff) | |
| download | linux-fsl-qoriq-5276432997feb2366ac1e77949e94fe86a394813.tar.xz | |
xfs: kill copy and paste segment checks in xfs_file_aio_read
The generic segment check code now returns a count of the number of
bytes in the iovec, so we don't need to roll our own anymore.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
| -rw-r--r-- | fs/xfs/xfs_file.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 59e22c9..c4559c6 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -236,7 +236,6 @@ xfs_file_aio_read( ssize_t ret = 0; int ioflags = 0; xfs_fsize_t n; - unsigned long seg; XFS_STATS_INC(xs_read_calls); @@ -247,19 +246,9 @@ xfs_file_aio_read( if (file->f_mode & FMODE_NOCMTIME) ioflags |= IO_INVIS; - /* START copy & waste from filemap.c */ - for (seg = 0; seg < nr_segs; seg++) { - const struct iovec *iv = &iovp[seg]; - - /* - * If any segment has a negative length, or the cumulative - * length ever wraps negative then return -EINVAL. - */ - size += iv->iov_len; - if (unlikely((ssize_t)(size|iv->iov_len) < 0)) - return XFS_ERROR(-EINVAL); - } - /* END copy & waste from filemap.c */ + ret = generic_segment_checks(iovp, &nr_segs, &size, VERIFY_WRITE); + if (ret < 0) + return ret; if (unlikely(ioflags & IO_ISDIRECT)) { xfs_buftarg_t *target = |