IB/core: Fix IB_SA_COMP_MASK macro

It needs parentheses around the argument, so that it can be used with
complex arguments (e.g., "n+5").

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
index b513f57e172544d29edf6acec9479f4e7af679dc..3d81b90cc31588b815167c109fec65cf50865538 100644 (file)
--- a/include/rdma/ib_mad.h
+++ b/include/rdma/ib_mad.h
@@ -160,7 +160,7 @@ struct ib_rmpp_hdr {
 
 typedef u64 __bitwise ib_sa_comp_mask;
 
-#define IB_SA_COMP_MASK(n) ((__force ib_sa_comp_mask) cpu_to_be64(1ull << n))
+#define IB_SA_COMP_MASK(n) ((__force ib_sa_comp_mask) cpu_to_be64(1ull << (n)))
 
 /*
  * ib_sa_hdr and ib_sa_mad structures must be packed because they have