Merge tag 'efi-urgent' into x86/urgent

 * Fix a few compiler warnings (one being a real bug) in the arm64 EFI
   code that lots of people are running into and reporting - Catalin Marinas

 * Use a cast to avoid a 32-bit overflow issue when generating pstore
   filenames - Andrzej Zaborowski
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

drivers/firmware/efi/efi-pstore.c

@@ -40,7 +40,7 @@ struct pstore_read_data {
 static inline u64 generic_id(unsigned long timestamp,
 			     unsigned int part, int count)
 {
-	return (timestamp * 100 + part) * 1000 + count;
+	return ((u64) timestamp * 100 + part) * 1000 + count;
 }
 
 static int efi_pstore_read_func(struct efivar_entry *entry, void *data)

drivers/firmware/efi/efi.c

@@ -353,10 +353,10 @@ static int __init fdt_find_uefi_params(unsigned long node, const char *uname,
 				       int depth, void *data)
 {
 	struct param_info *info = data;
-	void *prop, *dest;
-	unsigned long len;
+	const void *prop;
+	void *dest;
 	u64 val;
-	int i;
+	int i, len;
 
 	if (depth != 1 ||
 	    (strcmp(uname, "chosen") != 0 && strcmp(uname, "chosen@0") != 0))

drivers/firmware/efi/fdt.c

@@ -63,7 +63,7 @@ static efi_status_t update_fdt(efi_system_table_t *sys_table, void *orig_fdt,
 	 */
 	prev = 0;
 	for (;;) {
-		const char *type, *name;
+		const char *type;
 		int len;
 
 		node = fdt_next_node(fdt, prev, NULL);