IB/ocrdma: fix bad initialization

In function ocrdma_mbx_create_ah_tbl(), returns the value of status on
errors. However, because status is initialized with 0, 0 will be
returned even if on error paths. This patch initialize status with
"-ENOMEM".

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188831Signed-off-by: NPan Bian <bianpan2016@163.com>
Reviewed-by: NLeon Romanovsky <leonro@mellanox.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

drivers/infiniband/hw/ocrdma/ocrdma_hw.c

@@ -1642,7 +1642,7 @@ static int ocrdma_build_q_conf(u32 *num_entries, int entry_size,
 static int ocrdma_mbx_create_ah_tbl(struct ocrdma_dev *dev)
 {
 	int i;
-	int status = 0;
+	int status = -ENOMEM;
 	int max_ah;
 	struct ocrdma_create_ah_tbl *cmd;
 	struct ocrdma_create_ah_tbl_rsp *rsp;