From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Subject: [PATCH] bgmac: allow bigger et_swtype nvram variable Date: Sun, 15 Sep 2013 22:25:48 +0200 Message-ID: <1379276748-13687-1-git-send-email-zajec5@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Hauke Mehrtens To: netdev@vger.kernel.org, "David S. Miller" Return-path: Received: from mail-ee0-f45.google.com ([74.125.83.45]:37812 "EHLO mail-ee0-f45.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752640Ab3IOU0V (ORCPT ); Sun, 15 Sep 2013 16:26:21 -0400 Received: by mail-ee0-f45.google.com with SMTP id c50so1627923eek.18 for ; Sun, 15 Sep 2013 13:26:20 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: Without this patch it is impossible to read et_swtype, because the 1 byte space is needed for the terminating null byte. The max expected value is 0xF, so now it should be possible to read decimal form ("15") and hex form ("0xF"). Signed-off-by: Hauke Mehrtens Signed-off-by: Rafa=C5=82 Mi=C5=82ecki --- drivers/net/ethernet/broadcom/bgmac.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethern= et/broadcom/bgmac.c index 1c6bc96..59f3e0c 100644 --- a/drivers/net/ethernet/broadcom/bgmac.c +++ b/drivers/net/ethernet/broadcom/bgmac.c @@ -909,9 +909,9 @@ static void bgmac_chip_reset(struct bgmac *bgmac) u8 et_swtype =3D 0; u8 sw_type =3D BGMAC_CHIPCTL_1_SW_TYPE_EPHY | BGMAC_CHIPCTL_1_IF_TYPE_MII; - char buf[2]; + char buf[4]; =20 - if (bcm47xx_nvram_getenv("et_swtype", buf, 1) > 0) { + if (bcm47xx_nvram_getenv("et_swtype", buf, sizeof(buf)) > 0) { if (kstrtou8(buf, 0, &et_swtype)) bgmac_err(bgmac, "Failed to parse et_swtype (%s)\n", buf); --=20 1.7.10.4