tree ecff5385dc5656c01b000bb14f6b35545c133ff6
parent a8170e5e97ad17ca169c64ba87ae2f53850dab4c
author Peter Maydell <peter.maydell@linaro.org> 1350208347 +0000
committer Peter Maydell <peter.maydell@linaro.org> 1351082009 +0100

arm-semi.c: Handle get/put_user() failure accessing arguments

Rework the handling of arguments to ARM semihosting calls so that we
handle a possible failure return from get_user_ual() or put_user_ual().
(This incidentally silences a lot of warnings from clang about
"expression result unused").

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>