schedule: fix panic when switching placement rules (tikv#7415)

close tikv#7414 Signed-off-by: Ryan Leung <[email protected]> Co-authored-by: ti-chi-bot[bot] <108142056+ti-chi-bot[bot]@users.noreply.github.com>
lhy1024 · Nov 23, 2023 · 0222af0 · 0222af0
1 parent fc578aa
commit 0222af0
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/pkg/schedule/checker/rule_checker.go b/pkg/schedule/checker/rule_checker.go
@@ -132,6 +132,11 @@ func (c *RuleChecker) CheckWithFit(region *core.RegionInfo, fit *placement.Regio
 		return
 	}
 
+	// the placement rule is disabled
+	if fit == nil {
+		return
+	}
+
 	// If the fit is calculated by FitRegion, which means we get a new fit result, thus we should
 	// invalid the cache if it exists
 	c.ruleManager.InvalidCache(region.GetID())