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USB: mention URB_FREE_BUFFER in usb_free_urb documentation

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The usb_free_urb comment says that the transfer buffer will not be
freed, but this is not the case when URB_FREE_BUFFER is set.

Signed-off-by: Rabin Vincent <rabin@rab.in>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Rabin Vincent 2008-11-09 11:40:30 +05:30 committed by Greg Kroah-Hartman
parent c6206faa4f
commit 2870fde780
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/core/urb.c
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@ -85,8 +85,8 @@ EXPORT_SYMBOL_GPL(usb_alloc_urb);
* Must be called when a user of a urb is finished with it. When the last user
* of the urb calls this function, the memory of the urb is freed.
*
* Note: The transfer buffer associated with the urb is not freed, that must be
* done elsewhere.
* Note: The transfer buffer associated with the urb is not freed unless the
* URB_FREE_BUFFER transfer flag is set.
*/
void usb_free_urb(struct urb *urb)
{