--- zzzz-none-000/linux-3.10.107/drivers/mtd/chips/map_ram.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/mtd/chips/map_ram.c	2021-02-04 17:41:59.000000000 +0000
@@ -68,6 +68,7 @@
 	mtd->_get_unmapped_area = mapram_unmapped_area;
 	mtd->_read = mapram_read;
 	mtd->_write = mapram_write;
+	mtd->_panic_write = mapram_write;
 	mtd->_sync = mapram_nop;
 	mtd->flags = MTD_CAP_RAM;
 	mtd->writesize = 1;