1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c
index d8ca0a0b970d..781a802a321f 100644
--- a/drivers/infiniband/hw/qib/qib_iba6120.c
+++ b/drivers/infiniband/hw/qib/qib_iba6120.c
@@ -3273,6 +3273,8 @@ static int init_6120_variables(struct qib_devdata *dd)
         /* we always allocate at least 2048 bytes for eager buffers */
         ret = ib_mtu_enum_to_int(qib_ibmtu);
         dd->rcvegrbufsize = ret != -1 ? max(ret, 2048) : QIB_DEFAULT_MTU;
+        BUG_ON(!is_power_of_2(dd->rcvegrbufsize));
+        dd->rcvegrbufsize_shift = ilog2(dd->rcvegrbufsize);
 
         qib_6120_tidtemplate(dd);