[PATCH] drivers: usbtouchscreen: use kzalloc
From: Michael Estner
Date: Sat Mar 12 2022 - 12:35:44 EST
Use kzalloc instead of kmalloc + memset.
The semantic patch that makes this change is:
(https://coccinelle.gitlabpages.inria.fr/website/)
Signed-off-by: Michael Estner <michaelestner@xxxxxx>
---
drivers/input/touchscreen/usbtouchscreen.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index 43c521f50c85..159e1ac6198a 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -975,7 +975,7 @@ static int nexio_init(struct usbtouch_usb *usbtouch)
if (!input_ep || !output_ep)
return -ENXIO;
- buf = kmalloc(NEXIO_BUFSIZE, GFP_NOIO);
+ buf = kzalloc(NEXIO_BUFSIZE, GFP_NOIO);
if (!buf)
goto out_buf;
@@ -998,7 +998,6 @@ static int nexio_init(struct usbtouch_usb *usbtouch)
/* read replies */
for (i = 0; i < 3; i++) {
- memset(buf, 0, NEXIO_BUFSIZE);
ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, input_ep),
buf, NEXIO_BUFSIZE, &actual_len,
NEXIO_TIMEOUT);
--
2.25.1