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authorOliver Neukum <oliver@neukum.org>2008-07-29 09:26:15 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2008-10-17 17:40:51 -0400
commit55b447bf79ad25591437d24b78caa9d0ae4fec82 (patch)
treef8b84be61cf96a993664f35f572d8ddf6e618d39 /include/linux/usb.h
parent49b707b90c7f7260beb8691fc5d99d71a5549ec0 (diff)
USB: kill URBs permanently
looking at usb_kill_urb() it seems to me that it is unnecessarily lenient. In the use case of disconnect() you never want to use the URB again (for the same device) But leaving urb->reject elevated will make it easier to avoid races between read/write and disconnect. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/usb.h')
-rw-r--r--include/linux/usb.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 94ac74aba6b6..3371c91e7ff4 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1459,6 +1459,8 @@ extern struct urb *usb_get_urb(struct urb *urb);
1459extern int usb_submit_urb(struct urb *urb, gfp_t mem_flags); 1459extern int usb_submit_urb(struct urb *urb, gfp_t mem_flags);
1460extern int usb_unlink_urb(struct urb *urb); 1460extern int usb_unlink_urb(struct urb *urb);
1461extern void usb_kill_urb(struct urb *urb); 1461extern void usb_kill_urb(struct urb *urb);
1462extern void usb_poison_urb(struct urb *urb);
1463extern void usb_unpoison_urb(struct urb *urb);
1462extern void usb_kill_anchored_urbs(struct usb_anchor *anchor); 1464extern void usb_kill_anchored_urbs(struct usb_anchor *anchor);
1463extern void usb_unlink_anchored_urbs(struct usb_anchor *anchor); 1465extern void usb_unlink_anchored_urbs(struct usb_anchor *anchor);
1464extern void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor); 1466extern void usb_anchor_urb(struct urb *urb, struct usb_anchor *anchor);