lkml.org 
[lkml]   [2022]   [Mar]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 6/6] usb: raw-gadget: use kzalloc
Date
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: Julia Lawall <Julia.Lawall@inria.fr>

---
drivers/usb/gadget/legacy/raw_gadget.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/legacy/raw_gadget.c b/drivers/usb/gadget/legacy/raw_gadget.c
index d86c3a36441e..135e75b891f6 100644
--- a/drivers/usb/gadget/legacy/raw_gadget.c
+++ b/drivers/usb/gadget/legacy/raw_gadget.c
@@ -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,
\
 
 \ /
  Last update: 2022-03-12 11:29    [W:0.185 / U:1.336 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site