avl: make get_stree_id() return -1 if the stree pointer is NULL
commitaa08cc1cea90d304ca8f4e2e72b3e004f01e3853
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 24 Jun 2016 10:38:46 +0000 (24 13:38 +0300)
committerDan Carpenter <dan.carpenter@oracle.com>
Fri, 24 Jun 2016 11:06:10 +0000 (24 14:06 +0300)
tree66bbf959be12cc1957d70b2ff7356d2ce5748e3b
parent2d31f1b4aa3a63e1d1919c0344bccdb646630a94
avl: make get_stree_id() return -1 if the stree pointer is NULL

->stree_id is initialized to zero so changing this makes the debug output
a little more clear.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
avl.c