tree 3014da2e0cc144a359bba55067b7cc7a63ea224c
parent c718e917b3d375bb016388861a20f169f4e8dce8
author David S. Miller <davem@davemloft.net> 1471299998 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1479719201 +0100

sparc64: Convert GENcopy_{from,to}_user to accurate exception reporting.

[ Upstream commit d0796b555ba60c22eb41ae39a8362156cb08eee9 ]

Report the exact number of bytes which have not been successfully
copied when an exception occurs, using the running remaining length.

Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>