[PATCH v2 2/3] xen-scsiback: Rename jump labels in scsiback_device_action()

From: SF Markus Elfring
Date: Wed Jul 20 2016 - 07:35:33 EST


From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 20 Jul 2016 13:03:16 +0200

* Adjust jump targets according to the Linux coding style convention.

* A bit of refactoring for the control flow

Suggested-by: Jürgen Groß <jgross@xxxxxxxx>
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
v2: Rebased on source files from "Linux next-20160719"
Changes from a bit of code review

drivers/xen/xen-scsiback.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index 4a48c06..eb274df 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -604,10 +604,8 @@ static void scsiback_device_action(struct vscsibk_pend *pending_req,
int rc, err = FAILED;

tmr = kzalloc(sizeof(struct scsiback_tmr), GFP_KERNEL);
- if (!tmr) {
- target_put_sess_cmd(se_cmd);
- goto err;
- }
+ if (!tmr)
+ goto put_cmd;

init_waitqueue_head(&tmr->tmr_wait);

@@ -616,7 +614,7 @@ static void scsiback_device_action(struct vscsibk_pend *pending_req,
unpacked_lun, tmr, act, GFP_KERNEL,
tag, TARGET_SCF_ACK_KREF);
if (rc)
- goto err;
+ goto free_tmr;

wait_event(tmr->tmr_wait, atomic_read(&tmr->tmr_complete));

@@ -626,7 +624,9 @@ static void scsiback_device_action(struct vscsibk_pend *pending_req,
scsiback_do_resp_with_sense(NULL, err, 0, pending_req);
transport_generic_free_cmd(&pending_req->se_cmd, 1);
return;
-err:
+put_cmd:
+ target_put_sess_cmd(se_cmd);
+free_tmr:
kfree(tmr);
scsiback_do_resp_with_sense(NULL, err, 0, pending_req);
}
--
2.9.2