[src/trunk]: src/sys/dev/usb Remove useless memset.

[rin <rin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/5d24e2b49557
branches:  trunk
changeset: 996659:5d24e2b49557
user:      rin <rin%NetBSD.org@localhost>
date:      Wed Feb 06 07:28:01 2019 +0000

description:
Remove useless memset.

diffstat:

 sys/dev/usb/if_axen.c |  7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)

diffs (28 lines):

diff -r 4a0b6bb256fc -r 5d24e2b49557 sys/dev/usb/if_axen.c
--- a/sys/dev/usb/if_axen.c     Wed Feb 06 07:20:13 2019 +0000
+++ b/sys/dev/usb/if_axen.c     Wed Feb 06 07:28:01 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_axen.c,v 1.24 2019/01/31 15:27:57 rin Exp $ */
+/*     $NetBSD: if_axen.c,v 1.25 2019/02/06 07:28:01 rin Exp $ */
 /*     $OpenBSD: if_axen.c,v 1.3 2013/10/21 10:10:22 yuo Exp $ */
 
 /*
@@ -23,7 +23,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_axen.c,v 1.24 2019/01/31 15:27:57 rin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_axen.c,v 1.25 2019/02/06 07:28:01 rin Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -1124,9 +1124,6 @@
        } while( pkt_count > 0);
 
 done:
-       /* clear buffer for next transaction */
-       memset(c->axen_buf, 0, sc->axen_bufsz);
-
        /* Setup new transfer. */
        usbd_setup_xfer(xfer, c, c->axen_buf, sc->axen_bufsz,
            USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, axen_rxeof);