netdev - [PATCH net-next 3/8] net/ncsi: Don't probe on the reserved channel ID (0x1f)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1475125395-8459-4-git-send-email-gwshan@linux.vnet.ibm.com>
Date:   Thu, 29 Sep 2016 15:03:10 +1000
From:   Gavin Shan <gwshan@...ux.vnet.ibm.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, joel@....id.au, yuvali@...lanox.com,
        benh@...nel.crashing.org, Gavin Shan <gwshan@...ux.vnet.ibm.com>
Subject: [PATCH net-next 3/8] net/ncsi: Don't probe on the reserved channel ID (0x1f)

We needn't send CIS (Clear Initial State) command to the NCSI
reserved channel (0x1f) in the enumeration. We shouldn't receive
a valid response from CIS on NCSI channel 0x1f.

Signed-off-by: Gavin Shan <gwshan@...ux.vnet.ibm.com>
Reviewed-by: Joel Stanley <joel@....id.au>
---
 net/ncsi/ncsi-manage.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ncsi/ncsi-manage.c b/net/ncsi/ncsi-manage.c
index 73883ed..3eeb915 100644
--- a/net/ncsi/ncsi-manage.c
+++ b/net/ncsi/ncsi-manage.c
@@ -887,12 +887,12 @@ static void ncsi_probe_channel(struct ncsi_dev_priv *ndp)
 		nd->state = ncsi_dev_state_probe_cis;
 		break;
 	case ncsi_dev_state_probe_cis:
-		ndp->pending_req_num = 32;
+		ndp->pending_req_num = NCSI_RESERVED_CHANNEL;
 
 		/* Clear initial state */
 		nca.type = NCSI_PKT_CMD_CIS;
 		nca.package = ndp->active_package->id;
-		for (index = 0; index < 0x20; index++) {
+		for (index = 0; index < NCSI_RESERVED_CHANNEL; index++) {
 			nca.channel = index;
 			ret = ncsi_xmit_cmd(&nca);
 			if (ret)
-- 
2.1.0