tree fe745222354d12a358e35e5df8d6ac4afebff3ee
parent d0796b555ba60c22eb41ae39a8362156cb08eee9
author David S. Miller <davem@davemloft.net> 1471302470 -0700
committer David S. Miller <davem@davemloft.net> 1477333932 -0700

sparc64: Convert U1copy_{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>