[PATCH] USBATM: -EILSEQ workaround
Don't throttle on -EILSEQ urb status if requested by a minidriver.
It seems the ueagle modems are buggy, giving -EILSEQ when they
have no data to send. The ueagle change will be sent separately
by the ueagle guys. Patch by Matthieu Castet.
Signed-off-by: Duncan Sands <baldrick@free.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index c925e3a..5d339af 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -270,7 +270,10 @@
spin_unlock_irqrestore(&channel->lock, flags);
- if (unlikely(urb->status)) {
+ if (unlikely(urb->status) &&
+ (!(channel->usbatm->flags & UDSL_IGNORE_EILSEQ) ||
+ urb->status != -EILSEQ ))
+ {
if (printk_ratelimit())
atm_warn(channel->usbatm, "%s: urb 0x%p failed (%d)!\n",
__func__, urb, urb->status);
diff --git a/drivers/usb/atm/usbatm.h b/drivers/usb/atm/usbatm.h
index bdff534..1cf4767 100644
--- a/drivers/usb/atm/usbatm.h
+++ b/drivers/usb/atm/usbatm.h
@@ -88,6 +88,7 @@
#define UDSL_SKIP_HEAVY_INIT (1<<0)
#define UDSL_USE_ISOC (1<<1)
+#define UDSL_IGNORE_EILSEQ (1<<2)
/* mini driver */