Fix the NULL comparison.

Signed-off-by: Nathan Ward <nward@searchlight.nz>

diff --git a/raddb/mods-config/sql/ippool/postgresql/procedure.sql b/raddb/mods-config/sql/ippool/postgresql/procedure.sql
index e68160d6d0302db58878dd6a619fffe78872b0ca..64b3f2e38b4bef4db93e292d5051947745974738 100644 (file)
--- a/raddb/mods-config/sql/ippool/postgresql/procedure.sql
+++ b/raddb/mods-config/sql/ippool/postgresql/procedure.sql
@@ -31,7 +31,7 @@ BEGIN
        ORDER BY expiry_time
        LIMIT 1
        FOR UPDATE SKIP LOCKED;
-       IF r_address <> NULL THEN
+       IF r_address IS NOT NULL THEN
                RETURN r_address;
        END IF;
  SELECT framedipaddress INTO r_address
@@ -42,7 +42,7 @@ BEGIN
        ORDER BY expiry_time
        LIMIT 1
        FOR UPDATE SKIP LOCKED;
-       IF r_address <> NULL THEN
+       IF r_address IS NOT NULL THEN
                RETURN r_address;
        END IF;
  SELECT framedipaddress INTO r_address