Patch "vhost: use kzalloc() instead of kmalloc() followed by memset()" has been added to the 6.1-stable tree

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This is a note to let you know that I've just added the patch titled

    vhost: use kzalloc() instead of kmalloc() followed by memset()

to the 6.1-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     vhost-use-kzalloc-instead-of-kmalloc-followed-by-memset.patch
and it can be found in the queue-6.1 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 4d8df0f5f79f747d75a7d356d9b9ea40a4e4c8a9 Mon Sep 17 00:00:00 2001
From: Prathu Baronia <prathubaronia2011@xxxxxxxxx>
Date: Mon, 22 May 2023 14:20:19 +0530
Subject: vhost: use kzalloc() instead of kmalloc() followed by memset()

From: Prathu Baronia <prathubaronia2011@xxxxxxxxx>

commit 4d8df0f5f79f747d75a7d356d9b9ea40a4e4c8a9 upstream.

Use kzalloc() to allocate new zeroed out msg node instead of
memsetting a node allocated with kmalloc().

Signed-off-by: Prathu Baronia <prathubaronia2011@xxxxxxxxx>
Message-Id: <20230522085019.42914-1-prathubaronia2011@xxxxxxxxx>
Signed-off-by: Michael S. Tsirkin <mst@xxxxxxxxxx>
Reviewed-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>
Signed-off-by: Ajay Kaher <ajay.kaher@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/vhost/vhost.c |    5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -2588,12 +2588,11 @@ EXPORT_SYMBOL_GPL(vhost_disable_notify);
 /* Create a new message. */
 struct vhost_msg_node *vhost_new_msg(struct vhost_virtqueue *vq, int type)
 {
-	struct vhost_msg_node *node = kmalloc(sizeof *node, GFP_KERNEL);
+	/* Make sure all padding within the structure is initialized. */
+	struct vhost_msg_node *node = kzalloc(sizeof(*node), GFP_KERNEL);
 	if (!node)
 		return NULL;
 
-	/* Make sure all padding within the structure is initialized. */
-	memset(&node->msg, 0, sizeof node->msg);
 	node->vq = vq;
 	node->msg.type = type;
 	return node;


Patches currently in stable-queue which might be from prathubaronia2011@xxxxxxxxx are

queue-6.1/vhost-use-kzalloc-instead-of-kmalloc-followed-by-memset.patch




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