diff options
Diffstat (limited to 'sys/ufs/ffs')
| -rw-r--r-- | sys/ufs/ffs/ffs_alloc.c | 7 | ||||
| -rw-r--r-- | sys/ufs/ffs/ffs_vfsops.c | 3 |
2 files changed, 6 insertions, 4 deletions
diff --git a/sys/ufs/ffs/ffs_alloc.c b/sys/ufs/ffs/ffs_alloc.c index 797a42b..0e4dc03 100644 --- a/sys/ufs/ffs/ffs_alloc.c +++ b/sys/ufs/ffs/ffs_alloc.c @@ -1102,8 +1102,8 @@ dup_alloc: /* * Set up a new generation number for this inode. */ - if (ip->i_gen == 0 || ++ip->i_gen == 0) - ip->i_gen = arc4random() / 2 + 1; + while (ip->i_gen == 0 || ++ip->i_gen == 0) + ip->i_gen = arc4random(); DIP_SET(ip, i_gen, ip->i_gen); if (fs->fs_magic == FS_UFS2_MAGIC) { vfs_timestamp(&ts); @@ -2080,7 +2080,8 @@ gotit: bzero(ibp->b_data, (int)fs->fs_bsize); dp2 = (struct ufs2_dinode *)(ibp->b_data); for (i = 0; i < INOPB(fs); i++) { - dp2->di_gen = arc4random() / 2 + 1; + while (dp2->di_gen == 0) + dp2->di_gen = arc4random(); dp2++; } /* diff --git a/sys/ufs/ffs/ffs_vfsops.c b/sys/ufs/ffs/ffs_vfsops.c index 7ecb053..d644b73 100644 --- a/sys/ufs/ffs/ffs_vfsops.c +++ b/sys/ufs/ffs/ffs_vfsops.c @@ -1768,7 +1768,8 @@ ffs_vgetf(mp, ino, flags, vpp, ffs_flags) * already have one. This should only happen on old filesystems. */ if (ip->i_gen == 0) { - ip->i_gen = arc4random() / 2 + 1; + while (ip->i_gen == 0) + ip->i_gen = arc4random(); if ((vp->v_mount->mnt_flag & MNT_RDONLY) == 0) { ip->i_flag |= IN_MODIFIED; DIP_SET(ip, i_gen, ip->i_gen); |
