[PATCH 1/3] extcon: Use devm_kcalloc() in extcon_dev_register()

From: SF Markus Elfring
Date: Mon Apr 24 2017 - 08:40:40 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 23 Apr 2017 20:54:11 +0200

A multiplication for the size determination of a memory allocation
indicated that an array data structure should be processed.
Thus use the corresponding function "devm_kcalloc".

Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/extcon/extcon.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index f422a78ba342..acb847bc1619 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -1252,9 +1252,8 @@ int extcon_dev_register(struct extcon_dev *edev)
}

spin_lock_init(&edev->lock);
-
- edev->nh = devm_kzalloc(&edev->dev,
- sizeof(*edev->nh) * edev->max_supported, GFP_KERNEL);
+ edev->nh = devm_kcalloc(&edev->dev, edev->max_supported,
+ sizeof(*edev->nh), GFP_KERNEL);
if (!edev->nh) {
ret = -ENOMEM;
goto err_dev;
--
2.12.2