Fix NULL pointer dereference in 'zfs create'

A race condition between 'zpool export' and 'zfs create' can crash the
latter: this is because we never check libzfs`zpool_open() return
value in libzfs`zfs_create().

Reviewed-by: George Melikov <[email protected]>
Reviewed-by: Giuseppe Di Natale <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: loli10K <[email protected]>
Closes #6096 

0 files changed, 0 insertions, 0 deletions