Fixed possible crash.

1 files changed, 8 insertions, 0 deletions

diff --git a/ext/pdo_pgsql/pgsql_statement.c b/ext/pdo_pgsql/pgsql_statement.c
index 4e2e2b702c..8808e91ef7 100644
--- a/ext/pdo_pgsql/pgsql_statement.c
+++ b/ext/pdo_pgsql/pgsql_statement.c
@@ -110,6 +110,10 @@ static int pgsql_stmt_describe(pdo_stmt_t *stmt, int colno TSRMLS_DC)
 	pdo_pgsql_stmt *S = (pdo_pgsql_stmt*)stmt->driver_data;
 	struct pdo_column_data *cols = stmt->columns;
 
+	if (!S->result) {
+		return 0;
+	}
+
 	cols[colno].name = estrdup(PQfname(S->result, colno));
 	cols[colno].namelen = strlen(cols[colno].name);
 	cols[colno].maxlen = PQfsize(S->result, colno);
@@ -123,6 +127,10 @@ static int pgsql_stmt_get_col(pdo_stmt_t *stmt, int colno, char **ptr, unsigned
 {
 	pdo_pgsql_stmt *S = (pdo_pgsql_stmt*)stmt->driver_data;
 
+	if (!S->result) {
+		return 0;
+	}
+
 	/* We have already increased count by 1 in pgsql_stmt_fetch() */
 	*ptr = PQgetvalue(S->result, S->current_row - 1, colno);
 	*len = PQgetlength(S->result, S->current_row - 1, colno);