Commit beb8518e authored by Julia Lawall's avatar Julia Lawall Committed by Greg Kroah-Hartman
Browse files

usb: raw-gadget: use kzalloc 

Use kzalloc instead of kmalloc + memset.

The semantic patch that makes this change is:
(https://coccinelle.gitlabpages.inria.fr/website/

)

//<smpl>
@@
expression res, size, flag;
@@
- res = kmalloc(size, flag);
+ res = kzalloc(size, flag);
  ...
- memset(res, 0, size);
//</smpl>

Signed-off-by: default avatarJulia Lawall <Julia.Lawall@inria.fr>

Link: https://lore.kernel.org/r/20220312102705.71413-7-Julia.Lawall@inria.fr


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 32d8bb3e

drivers/usb/gadget/legacy/raw_gadget.c

+1 −2
Original line number Diff line number Diff line
@@ -1157,7 +1157,7 @@ static int raw_ioctl_eps_info(struct raw_dev *dev, unsigned long value) 
	struct usb_raw_eps_info *info;

	struct raw_ep *ep;



	info = kmalloc(sizeof(*info), GFP_KERNEL);

	info = kzalloc(sizeof(*info), GFP_KERNEL);

	if (!info) {

		ret = -ENOMEM;

		goto out;
@@ -1177,7 +1177,6 @@ static int raw_ioctl_eps_info(struct raw_dev *dev, unsigned long value) 
		goto out_free;

	}



	memset(info, 0, sizeof(*info));

	for (i = 0; i < dev->eps_num; i++) {

		ep = &dev->eps[i];

		strscpy(&info->eps[i].name[0], ep->ep->name,