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* [PATCH v1 1/1] driver core: platform: Switch to use kmemdup_array()
@ 2024-06-06 16:49 Andy Shevchenko
  0 siblings, 0 replies; only message in thread
From: Andy Shevchenko @ 2024-06-06 16:49 UTC (permalink / raw)
  To: Andy Shevchenko, linux-kernel; +Cc: Greg Kroah-Hartman, Rafael J. Wysocki

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


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2024-06-06 16:49 [PATCH v1 1/1] driver core: platform: Switch to use kmemdup_array() Andy Shevchenko

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