[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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/infiniband/hw/ipath/ipath_sysfs.c b/drivers/infiniband/hw/ipath/ipath_sysfs.c
index 450c09ea5bc1..ccff629278a4 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;