RDMA/ocrdma: Fix off by one in ocrdma_query_gid()

The ->sgid_tbl[] array has OCRDMA_MAX_SGID number of elements so this
test is off by one.  ->sgid_tbl is allocated in ocrdma_alloc_resources().

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 397a367..8771755 100644 (file)
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -53,7 +53,7 @@ int ocrdma_query_gid(struct ib_device *ibdev, u8 port,
 
        dev = get_ocrdma_dev(ibdev);
        memset(sgid, 0, sizeof(*sgid));
-       if (index > OCRDMA_MAX_SGID)
+       if (index >= OCRDMA_MAX_SGID)
                return -EINVAL;
 
        memcpy(sgid, &dev->sgid_tbl[index], sizeof(*sgid));