tree 015261d201e3b2893d19d0b6c9a2d0a80d86cc76
parent e93704e4464fdc191f73fce35129c18de2ebf95d
author David S. Miller <davem@davemloft.net> 1477369235 -0700
committer David S. Miller <davem@davemloft.net> 1477369235 -0700

sparc64: Convert U3copy_{from,to}_user to accurate exception reporting.

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>