(svn r24158) -Fix (r23408): Town producing no cargo at all could spawn passenger subsidies.

1 files changed, 3 insertions, 0 deletions

diff --git a/src/subsidy.cpp b/src/subsidy.cpp
index 465a59560..d4a102f46 100644
--- a/src/subsidy.cpp
+++ b/src/subsidy.cpp
@@ -336,6 +336,9 @@ bool FindSubsidyTownCargoRoute()
 	/* Passenger subsidies are not handled here. */
 	ClrBit(town_cargo_produced, CT_PASSENGERS);
 
+	/* No cargo produced at all? */
+	if (town_cargo_produced == 0) return false;
+
 	/* Choose a random cargo that is produced in the town. */
 	uint8 cargo_number = RandomRange(CountBits(town_cargo_produced));
 	CargoID cid;