add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/xen/xenbus/xenbus_dev_frontend.c
..
..
@@ -128,7 +128,7 @@
128
128
 {
129
129
 	struct xenbus_file_priv *u = filp->private_data;
130
130
 	struct read_buffer *rb;
131
-	unsigned i;
131
+	ssize_t i;
132
132
 	int ret;
133
133
 
134
134
 	mutex_lock(&u->reply_mutex);
..
..
@@ -148,7 +148,7 @@
148
148
 	rb = list_entry(u->read_buffers.next, struct read_buffer, list);
149
149
 	i = 0;
150
150
 	while (i < len) {
151
-		unsigned sz = min((unsigned)len - i, rb->len - rb->cons);
151
+		size_t sz = min_t(size_t, len - i, rb->len - rb->cons);
152
152
 
153
153
 		ret = copy_to_user(ubuf + i, &rb->msg[rb->cons], sz);
154
154
 
..
..
@@ -498,7 +498,6 @@
498
498
 	struct watch_adapter *watch;
499
499
 	char *path, *token;
500
500
 	int err, rc;
501
-	LIST_HEAD(staging_q);
502
501
 
503
502
 	path = u->u.buffer + sizeof(u->u.msg);
504
503
 	token = memchr(path, 0, u->u.msg.len);
..
..
@@ -556,7 +555,6 @@
556
555
 	uint32_t msg_type;
557
556
 	int rc = len;
558
557
 	int ret;
559
-	LIST_HEAD(staging_q);
560
558
 
561
559
 	/*
562
560
 	 * We're expecting usermode to be writing properly formed