Subject: [PATCH 7/8] hwtracing: intel: use krealloc_array()

From: Bartosz Golaszewski <[email-masked]>
Date: Tue, 27 Oct 2020 13:17:24 +0100

From: Bartosz Golaszewski <[email-masked]>

Use the helper that checks for overflows internally instead of manually
calculating the size of the new array.

Signed-off-by: Bartosz Golaszewski <[email-masked]>
---
 drivers/hwtracing/intel_th/msu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hwtracing/intel_th/msu.c b/drivers/hwtracing/intel_th/msu.c
index 3a77551fb4fc..7d95242db900 100644
--- a/drivers/hwtracing/intel_th/msu.c
+++ b/drivers/hwtracing/intel_th/msu.c
@@ -2002,7 +2002,7 @@ nr_pages_store(struct device *dev, struct device_attribute *attr,
 		}
 
 		nr_wins++;
-		rewin = krealloc(win, sizeof(*win) * nr_wins, GFP_KERNEL);
+		rewin = krealloc_array(win, nr_wins, sizeof(*win), GFP_KERNEL);
 		if (!rewin) {
 			kfree(win);
 			return -ENOMEM;
-- 
2.29.1