From: Gongwei Li <ligongwei@kylinos.cn>
Date: Fri, 21 Nov 2025 03:10:41 +0000 (+0800)
Subject: Drivers: hv: use kmalloc_array() instead of kmalloc()
X-Git-Tag: v6.19-rc1~56^2~10
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b5110eaf67530091343b519d8abd0cddd14660f2;p=thirdparty%2Fkernel%2Flinux.git

Drivers: hv: use kmalloc_array() instead of kmalloc()

Replace kmalloc() with kmalloc_array() to prevent potential
overflow, as recommended in Documentation/process/deprecated.rst.

Signed-off-by: Gongwei Li <ligongwei@kylinos.cn>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
---

diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index 36ee89c0358bd..7e9c8e169c66a 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -586,7 +586,7 @@ static int util_probe(struct hv_device *dev,
 		(struct hv_util_service *)dev_id->driver_data;
 	int ret;
 
-	srv->recv_buffer = kmalloc(HV_HYP_PAGE_SIZE * 4, GFP_KERNEL);
+	srv->recv_buffer = kmalloc_array(4, HV_HYP_PAGE_SIZE, GFP_KERNEL);
 	if (!srv->recv_buffer)
 		return -ENOMEM;
 	srv->channel = dev->channel;