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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	linux-kernel@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>
Subject: [PATCH v1 1/1] driver core: platform: Switch to use kmemdup_array()
Date: Thu,  6 Jun 2024 19:49:26 +0300
Message-ID: <20240606164926.3031358-1-andriy.shevchenko@linux.intel.com>
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Let the kememdup_array() take care about multiplication and possible
overflows.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/base/platform.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index de89d8ca7cec..0ac3c7fa7f94 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -643,7 +643,7 @@ int platform_device_add_resources(struct platform_device *pdev,
 	struct resource *r = NULL;
 
 	if (res) {
-		r = kmemdup(res, sizeof(struct resource) * num, GFP_KERNEL);
+		r = kmemdup_array(res, num, sizeof(*r), GFP_KERNEL);
 		if (!r)
 			return -ENOMEM;
 	}
-- 
2.43.0.rc1.1336.g36b5255a03ac