IB/ehca: Fix bitmask handling for lock_hcalls

Fix reading hcall locking capability bit from device capabilities.

Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index ecb51b3..cfc4de7 100644 (file)
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -360,7 +360,8 @@ static int ehca_sense_attributes(struct ehca_shca *shca)
         * a firmware property, so it's valid across all adapters
         */
        if (ehca_lock_hcalls == -1)
-               ehca_lock_hcalls = !(shca->hca_cap & HCA_CAP_H_ALLOC_RES_SYNC);
+               ehca_lock_hcalls = !EHCA_BMASK_GET(HCA_CAP_H_ALLOC_RES_SYNC,
+                                       shca->hca_cap);
 
        /* translate supported MR page sizes; always support 4K */
        shca->hca_cap_mr_pgsize = EHCA_PAGESIZE;