From: Jack Morgenstein <jackm@dev.mellanox.co.il>
Date: Thu, 10 May 2012 20:28:07 +0000 (+0300)
Subject: IB/core: Fix IB_SA_COMP_MASK macro
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=02daaf2741e74758a119768ca80cdf71c994ebd3;p=linux-beck.git

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 b513f57e1725..3d81b90cc315 100644
--- 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