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Copy comment about caller check from ffs_read to ffs_extread, don't

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check for uio_resid < 0 here too.
This commit is contained in:
Andrey A. Chernov 2004-01-23 06:00:41 +00:00
parent 070f8eefb1
commit 51cf017614
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=124857
1 changed files with 6 additions and 2 deletions
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8
sys/ufs/ffs/ffs_vnops.c
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@ -975,14 +975,18 @@ ffs_extread(struct vnode *vp, struct uio *uio, int ioflag)
#endif
orig_resid = uio->uio_resid;
if (orig_resid <= 0)
if (orig_resid == 0)
return (0);
/*
* The caller is supposed to check if
* uio->uio_offset >= 0 and uio->uio_resid >= 0.
*/
bytesinfile = dp->di_extsize - uio->uio_offset;
if (bytesinfile <= 0) {
if ((vp->v_mount->mnt_flag & MNT_NOATIME) == 0)
ip->i_flag |= IN_ACCESS;
return 0;
return (0);
}
for (error = 0, bp = NULL; uio->uio_resid > 0; bp = NULL) {