sbp-target: Consolidate duplicated error path code in sbp_handle_command()

Cc: Chris Boot <bootc@bootc.net>
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c
index 0848c4c..e10e622 100644 (file)
--- a/drivers/target/sbp/sbp_target.c
+++ b/drivers/target/sbp/sbp_target.c
@@ -1219,28 +1219,14 @@ static void sbp_handle_command(struct sbp_target_request *req)
        ret = sbp_fetch_command(req);
        if (ret) {
                pr_debug("sbp_handle_command: fetch command failed: %d\n", ret);
-               req->status.status |= cpu_to_be32(
-                       STATUS_BLOCK_RESP(STATUS_RESP_TRANSPORT_FAILURE) |
-                       STATUS_BLOCK_DEAD(0) |
-                       STATUS_BLOCK_LEN(1) |
-                       STATUS_BLOCK_SBP_STATUS(SBP_STATUS_UNSPECIFIED_ERROR));
-               sbp_send_status(req);
-               sbp_free_request(req);
-               return;
+               goto err;
        }
 
        ret = sbp_fetch_page_table(req);
        if (ret) {
                pr_debug("sbp_handle_command: fetch page table failed: %d\n",
                        ret);
-               req->status.status |= cpu_to_be32(
-                       STATUS_BLOCK_RESP(STATUS_RESP_TRANSPORT_FAILURE) |
-                       STATUS_BLOCK_DEAD(0) |
-                       STATUS_BLOCK_LEN(1) |
-                       STATUS_BLOCK_SBP_STATUS(SBP_STATUS_UNSPECIFIED_ERROR));
-               sbp_send_status(req);
-               sbp_free_request(req);
-               return;
+               goto err;
        }
 
        unpacked_lun = req->login->lun->unpacked_lun;
@@ -1252,6 +1238,16 @@ static void sbp_handle_command(struct sbp_target_request *req)
        target_submit_cmd(&req->se_cmd, sess->se_sess, req->cmd_buf,
                        req->sense_buf, unpacked_lun, data_length,
                        MSG_SIMPLE_TAG, data_dir, 0);
+       return;
+
+err:
+       req->status.status |= cpu_to_be32(
+               STATUS_BLOCK_RESP(STATUS_RESP_TRANSPORT_FAILURE) |
+               STATUS_BLOCK_DEAD(0) |
+               STATUS_BLOCK_LEN(1) |
+               STATUS_BLOCK_SBP_STATUS(SBP_STATUS_UNSPECIFIED_ERROR));
+       sbp_send_status(req);
+       sbp_free_request(req);
 }
 
 /*