From: Can Peng <pengcan@kylinos.cn>
To: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org,
longli@microsoft.com, decui@microsoft.com
Cc: linux-kernel@vger.kernel.org, linux-hyperv@vger.kernel.org,
Can Peng <pengcan@kylinos.cn>
Subject: [PATCH] drivers: hv: use kmalloc_array in mshv_root_scheduler_init
Date: Wed, 20 May 2026 15:16:32 +0800 [thread overview]
Message-ID: <20260520071632.557990-1-pengcan@kylinos.cn> (raw)
Replace kmalloc() with kmalloc_array() to prevent potential
overflow, as recommended in Documentation/process/deprecated.rst.
Signed-off-by: Can Peng <pengcan@kylinos.cn>
---
drivers/hv/mshv_root_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/hv/mshv_root_main.c b/drivers/hv/mshv_root_main.c
index bd1359eb58dd..146726cc4e9b 100644
--- a/drivers/hv/mshv_root_main.c
+++ b/drivers/hv/mshv_root_main.c
@@ -2241,7 +2241,7 @@ static int mshv_root_scheduler_init(unsigned int cpu)
outputarg = (void **)this_cpu_ptr(root_scheduler_output);
/* Allocate two consecutive pages. One for input, one for output. */
- p = kmalloc(2 * HV_HYP_PAGE_SIZE, GFP_KERNEL);
+ p = kmalloc_array(2, HV_HYP_PAGE_SIZE, GFP_KERNEL);
if (!p)
return -ENOMEM;
--
2.53.0
next reply other threads:[~2026-05-20 7:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-20 7:16 Can Peng [this message]
2026-05-20 7:55 ` [PATCH] drivers: hv: use kmalloc_array in mshv_root_scheduler_init sashiko-bot
2026-05-27 22:27 ` Wei Liu
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