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>

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;