zd1201: 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: Julia Lawall <Julia.Lawall@inria.fr>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220312102705.71413-6-Julia.Lawall@inria.fr

diff --git a/drivers/net/wireless/zydas/zd1201.c b/drivers/net/wireless/zydas/zd1201.c
index e64e4e5..82bc0d4 100644 (file)
--- a/drivers/net/wireless/zydas/zd1201.c
+++ b/drivers/net/wireless/zydas/zd1201.c
@@ -521,7 +521,7 @@ static int zd1201_setconfig(struct zd1201 *zd, int rid, const void *buf, int len
        zd->rxdatas = 0;
        zd->rxlen = 0;
        for (seq=0; len > 0; seq++) {
-               request = kmalloc(16, gfp_mask);
+               request = kzalloc(16, gfp_mask);
                if (!request)
                        return -ENOMEM;
                urb = usb_alloc_urb(0, gfp_mask);
@@ -529,7 +529,6 @@ static int zd1201_setconfig(struct zd1201 *zd, int rid, const void *buf, int len
                        kfree(request);
                        return -ENOMEM;
                }
-               memset(request, 0, 16);
                reqlen = len>12 ? 12 : len;
                request[0] = ZD1201_USB_RESREQ;
                request[1] = seq;