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Plumb through this error handling which will be used by the next change. Suggested-by: Richard Henderson Signed-off-by: Nicholas Piggin --- linux-user/riscv/signal.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/linux-user/riscv/signal.c b/linux-user/riscv/signal.c index 22b1b8149f..ece276f85f 100644 --- a/linux-user/riscv/signal.c +++ b/linux-user/riscv/signal.c @@ -145,7 +145,7 @@ badframe: force_sig(TARGET_SIGSEGV); } =20 -static void restore_sigcontext(CPURISCVState *env, struct target_sigcontex= t *sc) +static bool restore_sigcontext(CPURISCVState *env, struct target_sigcontex= t *sc) { int i; =20 @@ -161,9 +161,11 @@ static void restore_sigcontext(CPURISCVState *env, str= uct target_sigcontext *sc) uint32_t fcsr; __get_user(fcsr, &sc->fcsr); riscv_csr_write(env, CSR_FCSR, fcsr); + + return true; } =20 -static void restore_ucontext(CPURISCVState *env, struct target_ucontext *u= c) +static bool restore_ucontext(CPURISCVState *env, struct target_ucontext *u= c) { sigset_t blocked; target_sigset_t target_set; @@ -177,7 +179,7 @@ static void restore_ucontext(CPURISCVState *env, struct= target_ucontext *uc) target_to_host_sigset_internal(&blocked, &target_set); set_sigmask(&blocked); =20 - restore_sigcontext(env, &uc->uc_mcontext); + return restore_sigcontext(env, &uc->uc_mcontext); } =20 long do_rt_sigreturn(CPURISCVState *env) @@ -191,7 +193,10 @@ long do_rt_sigreturn(CPURISCVState *env) goto badframe; } =20 - restore_ucontext(env, &frame->uc); + if (!restore_ucontext(env, &frame->uc)) { + goto badframe; + } + target_restore_altstack(&frame->uc.uc_stack, env); =20 unlock_user_struct(frame, frame_addr, 0); --=20 2.51.0