Explanation:
bus_reset may sleep but must not allocate memory as
it is potentially in the block io path, hence GFP_NOIO not GFP_KERNEL
Regards
Oliver
--- scsiglue.c.alt Tue Feb 5 01:24:42 2002
+++ scsiglue.c Tue Feb 5 01:27:56 2002
@@ -278,7 +278,7 @@
if (us->protocol == US_PR_CBI) {
down(&(us->irq_urb_sem));
us->irq_urb->dev = us->pusb_dev;
- result = usb_submit_urb(us->irq_urb);
+ result = usb_submit_urb(us->irq_urb, GFP_NOIO);
US_DEBUGP("usb_submit_urb() returns %d\n", result);
up(&(us->irq_urb_sem));
}
--- transport.c.alt Tue Feb 5 01:24:54 2002
+++ transport.c Tue Feb 5 01:26:57 2002
@@ -414,7 +414,7 @@
us->current_urb->transfer_flags = USB_ASYNC_UNLINK;
/* submit the URB */
- status = usb_submit_urb(us->current_urb);
+ status = usb_submit_urb(us->current_urb, GFP_NOIO);
if (status) {
/* something went wrong */
up(&(us->current_urb_sem));
@@ -461,7 +461,7 @@
us->current_urb->transfer_flags = USB_ASYNC_UNLINK;
/* submit the URB */
- status = usb_submit_urb(us->current_urb);
+ status = usb_submit_urb(us->current_urb, GFP_NOIO);
if (status) {
/* something went wrong */
up(&(us->current_urb_sem));
--- usb.c.alt Tue Feb 5 01:25:02 2002
+++ usb.c Tue Feb 5 01:25:50 2002
@@ -534,7 +534,7 @@
usb_stor_CBI_irq, ss, ss->ep_int->bInterval);
/* submit the URB for processing */
- result = usb_submit_urb(ss->irq_urb);
+ result = usb_submit_urb(ss->irq_urb, GFP_KERNEL);
US_DEBUGP("usb_submit_urb() returns %d\n", result);
if (result) {
usb_free_urb(ss->irq_urb);
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