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authorRoel Kluin <roel.kluin@gmail.com>2009-06-22 22:23:48 -0700
committerRoland Dreier <rolandd@cisco.com>2009-06-22 22:23:48 -0700
commitaf04662b4d80de5797a595bc9855d09ef4fe55cc (patch)
tree7ca724aeb6bffe8883d42658f76d0c720051f129 /drivers/infiniband
parent0cf89dcdbc53f2b43e4ce7419b6ff47f4309c2eb (diff)
IB/ehca: Ensure that guid_entry index is not negative
This prevents the memcpy() of a guid_entries element using a negative index. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband')
-rw-r--r--drivers/infiniband/hw/ehca/ehca_hca.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/infiniband/hw/ehca/ehca_hca.c
index 9209c5332dfe..8b92f85d4dd0 100644
--- a/drivers/infiniband/hw/ehca/ehca_hca.c
+++ b/drivers/infiniband/hw/ehca/ehca_hca.c
@@ -319,7 +319,7 @@ int ehca_query_gid(struct ib_device *ibdev, u8 port,
ib_device);
struct hipz_query_port *rblock;
- if (index > 255) {
+ if (index < 0 || index > 255) {
ehca_err(&shca->ib_device, "Invalid index: %x.", index);
return -EINVAL;
}