[PATCH 4/16] drivers/usb/wusbcore: use WARN

From: Julia Lawall
Date: Sat Nov 03 2012 - 06:58:42 EST


From: Julia Lawall <Julia.Lawall@xxxxxxx>

Use WARN rather than printk followed by WARN_ON(1), for conciseness.

A simplified version of the semantic patch that makes this transformation
is as follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression list es;
@@

-printk(
+WARN(1,
es);
-WARN_ON(1);
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

---
drivers/usb/wusbcore/wa-xfer.c | 3 +--
drivers/usb/wusbcore/wusbhc.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
index 57c01ab..1b80601 100644
--- a/drivers/usb/wusbcore/wa-xfer.c
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -1124,9 +1124,8 @@ int wa_urb_dequeue(struct wahc *wa, struct urb *urb)
switch (seg->status) {
case WA_SEG_NOTREADY:
case WA_SEG_READY:
- printk(KERN_ERR "xfer %p#%u: dequeue bad state %u\n",
+ WARN(1, KERN_ERR "xfer %p#%u: dequeue bad state %u\n",
xfer, cnt, seg->status);
- WARN_ON(1);
break;
case WA_SEG_DELAYED:
seg->status = WA_SEG_ABORTED;
diff --git a/drivers/usb/wusbcore/wusbhc.c b/drivers/usb/wusbcore/wusbhc.c
index 0faca16..bb5e649 100644
--- a/drivers/usb/wusbcore/wusbhc.c
+++ b/drivers/usb/wusbcore/wusbhc.c
@@ -435,9 +435,8 @@ static void __exit wusbcore_exit(void)
char buf[256];
bitmap_scnprintf(buf, sizeof(buf), wusb_cluster_id_table,
CLUSTER_IDS);
- printk(KERN_ERR "BUG: WUSB Cluster IDs not released "
+ WARN(1, KERN_ERR "BUG: WUSB Cluster IDs not released "
"on exit: %s\n", buf);
- WARN_ON(1);
}
usb_unregister_notify(&wusb_usb_notifier);
destroy_workqueue(wusbd);

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