| Message ID | 20210428193408.233706-5-richard.henderson@linaro.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | linux-user/s390x: some signal fixes | expand |
On 28.04.21 21:33, Richard Henderson wrote: > The function cannot fail. > > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> > --- > linux-user/s390x/signal.c | 14 +++----------- > 1 file changed, 3 insertions(+), 11 deletions(-) > > diff --git a/linux-user/s390x/signal.c b/linux-user/s390x/signal.c > index 1dfca71fa9..e455a9818d 100644 > --- a/linux-user/s390x/signal.c > +++ b/linux-user/s390x/signal.c > @@ -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); > > Reviewed-by: David Hildenbrand <david@redhat.com>
diff --git a/linux-user/s390x/signal.c b/linux-user/s390x/signal.c index 1dfca71fa9..e455a9818d 100644 --- a/linux-user/s390x/signal.c +++ b/linux-user/s390x/signal.c @@ -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);
The function cannot fail. Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- linux-user/s390x/signal.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-)