[PATCH v2 2/3] of: reserved_mem: clean up redundant alloc_reserved_mem_array() call

[Wandun Chen]

If total_reserved_mem_cnt is 0 after fdt_scan_reserved_mem(), there
is no entry to save, alloc_reserved_mem_array() has nothing to do.
Just skip it.

Signed-off-by: Wandun Chen <chenwandun@xxxxxxxxxxx>
---
 drivers/of/of_reserved_mem.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 7856dc857d65..462e7c3078a3 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -270,6 +270,9 @@ void __init fdt_scan_reserved_mem_late(void)
 		return;
 	}
 
+	if (!total_reserved_mem_cnt)
+		return;
+
 	/* Attempt dynamic allocation of a new reserved_mem array */
 	alloc_reserved_mem_array();
 
-- 
2.43.0