Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 12 insertions, 9 deletions

diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c
index 0792fda49a..6f56640092 100644
--- a/drivers/xen/xenbus/xenbus_dev_frontend.c
+++ b/drivers/xen/xenbus/xenbus_dev_frontend.c
@@ -82,7 +82,7 @@ struct read_buffer {
 	struct list_head list;
 	unsigned int cons;
 	unsigned int len;
-	char msg[];
+	char msg[] __counted_by(len);
 };
 
 struct xenbus_file_priv {
@@ -195,7 +195,7 @@ static int queue_reply(struct list_head *queue, const void *data, size_t len)
 	if (len > XENSTORE_PAYLOAD_MAX)
 		return -EINVAL;
 
-	rb = kmalloc(sizeof(*rb) + len, GFP_KERNEL);
+	rb = kmalloc(struct_size(rb, msg, len), GFP_KERNEL);
 	if (rb == NULL)
 		return -ENOMEM;
 
diff --git a/drivers/xen/xenbus/xenbus_probe_backend.c b/drivers/xen/xenbus/xenbus_probe_backend.c
index da96c260e2..5ebb723307 100644
--- a/drivers/xen/xenbus/xenbus_probe_backend.c
+++ b/drivers/xen/xenbus/xenbus_probe_backend.c
@@ -284,13 +284,9 @@ static unsigned long backend_shrink_memory_count(struct shrinker *shrinker,
 	return 0;
 }
 
-static struct shrinker backend_memory_shrinker = {
-	.count_objects = backend_shrink_memory_count,
-	.seeks = DEFAULT_SEEKS,
-};
-
 static int __init xenbus_probe_backend_init(void)
 {
+	struct shrinker *backend_memory_shrinker;
 	static struct notifier_block xenstore_notifier = {
 		.notifier_call = backend_probe_and_watch
 	};
@@ -305,8 +301,15 @@ static int __init xenbus_probe_backend_init(void)
 
 	register_xenstore_notifier(&xenstore_notifier);
 
-	if (register_shrinker(&backend_memory_shrinker, "xen-backend"))
-		pr_warn("shrinker registration failed\n");
+	backend_memory_shrinker = shrinker_alloc(0, "xen-backend");
+	if (!backend_memory_shrinker) {
+		pr_warn("shrinker allocation failed\n");
+		return 0;
+	}
+
+	backend_memory_shrinker->count_objects = backend_shrink_memory_count;
+
+	shrinker_register(backend_memory_shrinker);
 
 	return 0;
 }