From: Bryan O'Sullivan <bos@pathscale.com>
Date: Sat, 1 Jul 2006 11:36:08 +0000 (-0700)
Subject: [PATCH] IB/ipath: check for valid LID and multicast LIDs
X-Git-Tag: v2.6.18-rc1~219
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=85322947d761d08bd84165500f35b93c702aaaf3;p=linux-2.6

[PATCH] IB/ipath: check for valid LID and multicast LIDs

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Cc: "Michael S. Tsirkin" <mst@mellanox.co.il>
Cc: Roland Dreier <rolandd@cisco.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/drivers/infiniband/hw/ipath/ipath_sysfs.c b/drivers/infiniband/hw/ipath/ipath_sysfs.c
index 450c09ea5b..ccff629278 100644
--- a/drivers/infiniband/hw/ipath/ipath_sysfs.c
+++ b/drivers/infiniband/hw/ipath/ipath_sysfs.c
@@ -280,7 +280,7 @@ static ssize_t store_lid(struct device *dev,
 	if (ret < 0)
 		goto invalid;
 
-	if (lid == 0 || lid >= 0xc000) {
+	if (lid == 0 || lid >= IPS_MULTICAST_LID_BASE) {
 		ret = -EINVAL;
 		goto invalid;
 	}
@@ -314,7 +314,7 @@ static ssize_t store_mlid(struct device *dev,
 	int ret;
 
 	ret = ipath_parse_ushort(buf, &mlid);
-	if (ret < 0)
+	if (ret < 0 || mlid < IPS_MULTICAST_LID_BASE)
 		goto invalid;
 
 	unit = dd->ipath_unit;