Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/sparc/kernel/mdesc.c b/arch/sparc/kernel/mdesc.c
index 39a2503..8e645dd 100644
--- a/arch/sparc/kernel/mdesc.c
+++ b/arch/sparc/kernel/mdesc.c
@@ -5,13 +5,12 @@
  */
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/memblock.h>
 #include <linux/log2.h>
 #include <linux/list.h>
 #include <linux/slab.h>
 #include <linux/mm.h>
 #include <linux/miscdevice.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <linux/export.h>
 #include <linux/refcount.h>
 
@@ -170,7 +169,7 @@
 		       mdesc_size);
 	alloc_size = PAGE_ALIGN(handle_size);
 
-	paddr = memblock_alloc(alloc_size, PAGE_SIZE);
+	paddr = memblock_phys_alloc(alloc_size, PAGE_SIZE);
 
 	hp = NULL;
 	if (paddr) {
@@ -190,7 +189,7 @@
 
 	alloc_size = PAGE_ALIGN(hp->handle_size);
 	start = __pa(hp);
-	free_bootmem_late(start, alloc_size);
+	memblock_free_late(start, alloc_size);
 }
 
 static struct mdesc_mem_ops memblock_mdesc_ops = {
@@ -357,6 +356,8 @@
 
 	node_info->vdev_port.id = *idp;
 	node_info->vdev_port.name = kstrdup_const(name, GFP_KERNEL);
+	if (!node_info->vdev_port.name)
+		return -1;
 	node_info->vdev_port.parent_cfg_hdl = *parent_cfg_hdlp;
 
 	return 0;