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linux-user/s390x: Remove restore_sigregs return value 

The function cannot fail.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210428193408.233706-5-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2021-04-28 12:33:57 -07:00 committed by Laurent Vivier
parent 915c69dc02
commit e6f960fcbe
1 changed files with 3 additions and 11 deletions
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14
linux-user/s390x/signal.c
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@ -230,10 +230,8 @@ give_sigsegv:
force_sigsegv(sig);
}
static int
restore_sigregs(CPUS390XState *env, target_sigregs *sc)
static void restore_sigregs(CPUS390XState *env, target_sigregs *sc)
{
int err = 0;
int i;
for (i = 0; i < 16; i++) {
@ -251,8 +249,6 @@ restore_sigregs(CPUS390XState *env, target_sigregs *sc)
for (i = 0; i < 16; i++) {
__get_user(*get_freg(env, i), &sc->fpregs.fprs[i]);
}
return err;
}
long do_sigreturn(CPUS390XState *env)
@ -271,9 +267,7 @@ long do_sigreturn(CPUS390XState *env)
target_to_host_sigset_internal(&set, &target_set);
set_sigmask(&set); /* ~_BLOCKABLE? */
if (restore_sigregs(env, &frame->sregs)) {
goto badframe;
}
restore_sigregs(env, &frame->sregs);
unlock_user_struct(frame, frame_addr, 0);
return -TARGET_QEMU_ESIGRETURN;
@ -297,9 +291,7 @@ long do_rt_sigreturn(CPUS390XState *env)
set_sigmask(&set); /* ~_BLOCKABLE? */
if (restore_sigregs(env, &frame->uc.tuc_mcontext)) {
goto badframe;
}
restore_sigregs(env, &frame->uc.tuc_mcontext);
target_restore_altstack(&frame->uc.tuc_stack, env);