diff mbox

IB/qib: cleanup qib_register_observer()

Message ID 20140130121231.GA17753@elgon.mountain (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Dan Carpenter Jan. 30, 2014, 12:12 p.m. UTC
Returning directly is easier to read than do-nothing gotos.  Remove the
duplicative check on "olp" and pulled the code in one indent level.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

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Comments

Marciniszyn, Mike Feb. 19, 2014, 8:46 p.m. UTC | #1
> Subject: [patch] IB/qib: cleanup qib_register_observer()
> 
> Returning directly is easier to read than do-nothing gotos.  Remove the
> duplicative check on "olp" and pulled the code in one indent level.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Acked-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
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Marciniszyn, Mike Feb. 24, 2014, 6:54 p.m. UTC | #2
> Subject: [patch] IB/qib: cleanup qib_register_observer()
> 
> Returning directly is easier to read than do-nothing gotos.  Remove the
> duplicative check on "olp" and pulled the code in one indent level.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Thanks for the patch!

Acked-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
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diff mbox

Patch

diff --git a/drivers/infiniband/hw/qib/qib_diag.c b/drivers/infiniband/hw/qib/qib_diag.c
index 1686fd4bda87..52601ae4b327 100644
--- a/drivers/infiniband/hw/qib/qib_diag.c
+++ b/drivers/infiniband/hw/qib/qib_diag.c
@@ -689,28 +689,23 @@  int qib_register_observer(struct qib_devdata *dd,
 			  const struct diag_observer *op)
 {
 	struct diag_observer_list_elt *olp;
-	int ret = -EINVAL;
+	unsigned long flags;
 
 	if (!dd || !op)
-		goto bail;
-	ret = -ENOMEM;
+		return -EINVAL;
 	olp = vmalloc(sizeof *olp);
 	if (!olp) {
 		pr_err("vmalloc for observer failed\n");
-		goto bail;
+		return -ENOMEM;
 	}
-	if (olp) {
-		unsigned long flags;
 
-		spin_lock_irqsave(&dd->qib_diag_trans_lock, flags);
-		olp->op = op;
-		olp->next = dd->diag_observer_list;
-		dd->diag_observer_list = olp;
-		spin_unlock_irqrestore(&dd->qib_diag_trans_lock, flags);
-		ret = 0;
-	}
-bail:
-	return ret;
+	spin_lock_irqsave(&dd->qib_diag_trans_lock, flags);
+	olp->op = op;
+	olp->next = dd->diag_observer_list;
+	dd->diag_observer_list = olp;
+	spin_unlock_irqrestore(&dd->qib_diag_trans_lock, flags);
+
+	return 0;
 }
 
 /* Remove all registered observers when device is closed */