Fix coverity defects: 147658, 147652, 147651

coverity scan CID:147658, Type:copy into fixed size buffer.
coverity scan CID:147652, Type:copy into fixed size buffer.
coverity scan CID:147651, Type:copy into fixed size buffer.

Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: cao.xuewen <cao.xuewen@zte.com.cn>
Closes #5160
This commit is contained in:
cao 2016-09-30 03:06:14 +08:00 committed by Brian Behlendorf
parent 12fa7f3436
commit c9d61adbf8
3 changed files with 6 additions and 3 deletions

View File

@ -1221,7 +1221,8 @@ dump_snapshot(zfs_handle_t *zhp, void *arg)
if (!sdd->seenfrom && isfromsnap) {
gather_holds(zhp, sdd);
sdd->seenfrom = B_TRUE;
(void) strcpy(sdd->prevsnap, thissnap);
(void) strlcpy(sdd->prevsnap, thissnap,
sizeof (sdd->prevsnap));
sdd->prevsnap_obj = zfs_prop_get_int(zhp, ZFS_PROP_OBJSETID);
zfs_close(zhp);
return (0);

View File

@ -2072,7 +2072,8 @@ dsl_dataset_rename_snapshot_sync_impl(dsl_pool_t *dp,
VERIFY0(dsl_dataset_snap_remove(hds, ddrsa->ddrsa_oldsnapname, tx,
B_FALSE));
mutex_enter(&ds->ds_lock);
(void) strcpy(ds->ds_snapname, ddrsa->ddrsa_newsnapname);
(void) strlcpy(ds->ds_snapname, ddrsa->ddrsa_newsnapname,
sizeof (ds->ds_snapname));
mutex_exit(&ds->ds_lock);
VERIFY0(zap_add(dp->dp_meta_objset,
dsl_dataset_phys(hds)->ds_snapnames_zapobj,

View File

@ -1904,7 +1904,8 @@ dsl_dir_rename_sync(void *arg, dmu_tx_t *tx)
dd->dd_myname, tx);
ASSERT0(error);
(void) strcpy(dd->dd_myname, mynewname);
(void) strlcpy(dd->dd_myname, mynewname,
sizeof (dd->dd_myname));
dsl_dir_rele(dd->dd_parent, dd);
dsl_dir_phys(dd)->dd_parent_obj = newparent->dd_object;
VERIFY0(dsl_dir_hold_obj(dp,