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Diffstat (limited to 'drivers/infiniband/hw/qib/qib_init.c')
-rw-r--r--drivers/infiniband/hw/qib/qib_init.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index 021636dbeae6..21ffa7c0915f 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -183,6 +183,9 @@ struct qib_ctxtdata *qib_create_ctxtdata(struct qib_pportdata *ppd, u32 ctxt)
rcd->rcvegrbuf_chunks = (rcd->rcvegrcnt +
rcd->rcvegrbufs_perchunk - 1) /
rcd->rcvegrbufs_perchunk;
+ BUG_ON(!is_power_of_2(rcd->rcvegrbufs_perchunk));
+ rcd->rcvegrbufs_perchunk_shift =
+ ilog2(rcd->rcvegrbufs_perchunk);
}
return rcd;
}