IB/core: Fix unaligned accesses

Addresses the following kernel logs seen during boot of sparc systems:

Kernel unaligned access at TPC[103bce50] cm_find_listen+0x34/0xf8 [ib_cm]
Kernel unaligned access at TPC[103bce50] cm_find_listen+0x34/0xf8 [ib_cm]
Kernel unaligned access at TPC[103bce50] cm_find_listen+0x34/0xf8 [ib_cm]
Kernel unaligned access at TPC[103bce50] cm_find_listen+0x34/0xf8 [ib_cm]
Kernel unaligned access at TPC[103bce50] cm_find_listen+0x34/0xf8 [ib_cm]

Signed-off-by: David Ahern <david.ahern@oracle.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index 0e3ff30647d5..39ed2d2fbd51 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -105,7 +105,8 @@ enum ib_cm_data_size {
         IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE = 216,
         IB_CM_SIDR_REP_PRIVATE_DATA_SIZE = 136,
         IB_CM_SIDR_REP_INFO_LENGTH       = 72,
-        IB_CM_COMPARE_SIZE               = 64
+        /* compare done u32 at a time */
+        IB_CM_COMPARE_SIZE               = (64 / sizeof(u32))
 };
 
 struct ib_cm_id;
@@ -337,8 +338,8 @@ void ib_destroy_cm_id(struct ib_cm_id *cm_id);
 #define IB_SDP_SERVICE_ID_MASK  cpu_to_be64(0xFFFFFFFFFFFF0000ULL)
 
 struct ib_cm_compare_data {
-        u8  data[IB_CM_COMPARE_SIZE];
-        u8  mask[IB_CM_COMPARE_SIZE];
+        u32  data[IB_CM_COMPARE_SIZE];
+        u32  mask[IB_CM_COMPARE_SIZE];
 };
 
 /**