[pgpool-committers: 1827] pgpool: Fix read_kind_from_backend() possible segfault when all backend

[Muhammad Usama]

Fix read_kind_from_backend() possible segfault when all backend down.

Per Coverity report 1111414 "Negative array index read".

Branch
------
EXCEPTION_MGR

Details
-------
http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=e5793bcdd3ba44ae6c58008c7fb671103501c129
Author: Tatsuo Ishii <ishii at postgresql.org>

Modified Files
--------------
src/protocol/pool_process_query.c |    5 +++++
1 file changed, 5 insertions(+)