irqchip/gic-v5: Fix loop in gicv5_its_create_itt_two_level() cleanup path

The "i" variable in gicv5_its_create_itt_two_level() needs to be signed
otherwise it can cause a forever loop in the function's cleanup path.

[ lpieralisi: Reworded commit message ]

Fixes: 57d7219 ("irqchip/gic-v5: Add GICv5 ITS support")
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Lorenzo Pieralisi <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Zenghui Yu <[email protected]>
Link: https://lore.kernel.org/all/[email protected]

Author: Dan Carpenter

drivers/irqchip/irq-gic-v5-its.c

@@ -191,9 +191,9 @@ static int gicv5_its_create_itt_two_level(struct gicv5_its_chip_data *its,
 					  unsigned int num_events)
 {
 	unsigned int l1_bits, l2_bits, span, events_per_l2_table;
-	unsigned int i, complete_tables, final_span, num_ents;
+	unsigned int complete_tables, final_span, num_ents;
 	__le64 *itt_l1, *itt_l2, **l2ptrs;
-	int ret;
+	int i, ret;
 	u64 val;
 
 	ret = gicv5_its_l2sz_to_l2_bits(itt_l2sz);