diff options
Diffstat (limited to 'sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c')
-rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c index 9eaa7d2..9ac5fc2 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_ctldir.c @@ -1604,16 +1604,21 @@ zfsctl_snapshot_vptocnp(struct vop_vptocnp_args *ap) } if (sep == NULL) { mutex_exit(&sdp->sd_lock); - error = ENOENT; + error = SET_ERROR(ENOENT); } else { size_t len; len = strlen(sep->se_name); - *ap->a_buflen -= len; - bcopy(sep->se_name, ap->a_buf + *ap->a_buflen, len); - mutex_exit(&sdp->sd_lock); - vref(dvp); - *ap->a_vpp = dvp; + if (*ap->a_buflen < len) { + mutex_exit(&sdp->sd_lock); + error = SET_ERROR(ENOMEM); + } else { + *ap->a_buflen -= len; + bcopy(sep->se_name, ap->a_buf + *ap->a_buflen, len); + mutex_exit(&sdp->sd_lock); + vref(dvp); + *ap->a_vpp = dvp; + } } VN_RELE(dvp); |