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diff --git a/‎src/database/sql/sql.go‎
Lines changed: 1 addition & 1 deletion b/‎src/database/sql/sql.go‎
Lines changed: 1 addition & 1 deletion
@@ -1070,7 +1070,7 @@ func (db *DB) conn(ctx context.Context, strategy connReuseStrategy) (*driverConn
 			select {
 			default:
 			case ret, ok := <-req:
-				if ok {
+				if ok && ret.conn != nil {
 					db.putConn(ret.conn, ret.err, false)
 				}
 			}
Original file line number	Diff line number	Diff line change
`@@ -1070,7 +1070,7 @@ func (db DB) conn(ctx context.Context, strategy connReuseStrategy) (driverConn`
`1070`	`1070`	`select {`
`1071`	`1071`	`default:`
`1072`	`1072`	`case ret, ok := <-req:`
`1073`		`- if ok {`
	`1073`	`+ if ok && ret.conn != nil {`
`1074`	`1074`	`db.putConn(ret.conn, ret.err, false)`
`1075`	`1075`	`}`
`1076`	`1076`	`}`