coverity scan CID:147654,type: Copy into fixed size buffer
- string operation may write past the end of the fixed-size
destination buffer
coverity scan CID:147690,type: Uninitialized scalar variable
- call zfs_prop_get first in case we use sourcetype and
share_sourcetype without initialization
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: GeLiXin <ge.lixin@zte.com.cn>
Closes#5253
45cb520b9d