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(parent: 60b9bd8) | patch
usb: gadgetfs: return number of bytes on ep0 read request
authorThomas Faber <thfabba@gmx.de>
Fri, 2 Mar 2012 08:41:50 +0000 (09:41 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 3 Mar 2012 00:22:11 +0000 (16:22 -0800)
commit85b4b3c8c189e0159101f7628a71411af072ff69
tree77c17a17c1657f5c57f401a686a2a672b7dd8cf6tree | snapshot
parent60b9bd8d162174edd335c1b83dbc2bafde1e9d5fcommit | diff
usb: gadgetfs: return number of bytes on ep0 read request

A read from GadgetFS endpoint 0 during the data stage of a control
request would always return 0 on success (as returned by
wait_event_interruptible) despite having written data into the user
buffer.
This patch makes it correctly set the return value to the number of
bytes read.

Signed-off-by: Thomas Faber <thfabba@gmx.de>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/gadget/inode.c diff | blob | history
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