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signal/all: remove return value from copy_siginfo_to_user

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Since copy_siginfo_to_user always returns 0, make it void
and remove any checks for return value from calling functions.

Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Riku Voipio 2014-04-23 10:46:13 +03:00
parent 7df2fa3623
commit b0fd8d1868
1 changed files with 9 additions and 19 deletions
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28
linux-user/signal.c
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@ -721,11 +721,10 @@ int do_sigaction(int sig, const struct target_sigaction *act,
return ret;
}
static inline int copy_siginfo_to_user(target_siginfo_t *tinfo,
static inline void copy_siginfo_to_user(target_siginfo_t *tinfo,
const target_siginfo_t *info)
{
tswap_siginfo(tinfo, info);
return 0;
}
static inline int current_exec_domain_sig(int sig)
@ -985,9 +984,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka,
__put_user(addr, &frame->pinfo);
addr = frame_addr + offsetof(struct rt_sigframe, uc);
__put_user(addr, &frame->puc);
err |= copy_siginfo_to_user(&frame->info, info);
if (err)
goto give_sigsegv;
copy_siginfo_to_user(&frame->info, info);
/* Create the ucontext. */
__put_user(0, &frame->uc.tuc_flags);
@ -1361,9 +1358,7 @@ static void target_setup_frame(int usig, struct target_sigaction *ka,
env->pc = ka->_sa_handler;
env->xregs[30] = return_addr;
if (info) {
if (copy_siginfo_to_user(&frame->info, info)) {
goto give_sigsegv;
}
copy_siginfo_to_user(&frame->info, info);
env->xregs[1] = frame_addr + offsetof(struct target_rt_sigframe, info);
env->xregs[2] = frame_addr + offsetof(struct target_rt_sigframe, uc);
}
@ -3361,7 +3356,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka,
signal = current_exec_domain_sig(sig);
err |= copy_siginfo_to_user(&frame->info, info);
copy_siginfo_to_user(&frame->info, info);
/* Create the ucontext. */
__put_user(0, &frame->uc.tuc_flags);
@ -4041,10 +4036,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka,
__put_user(uc_addr, &frame->puc);
if (ka->sa_flags & SA_SIGINFO) {
err |= copy_siginfo_to_user(&frame->info, info);
}
if (err) {
goto give_sigsegv;
copy_siginfo_to_user(&frame->info, info);
}
/*err |= __clear_user(&frame->uc, offsetof(struct ucontext, uc_mcontext));*/
@ -4304,9 +4296,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka,
}
qemu_log("%s: 1\n", __FUNCTION__);
if (copy_siginfo_to_user(&frame->info, info)) {
goto give_sigsegv;
}
copy_siginfo_to_user(&frame->info, info);
/* Create the ucontext. */
__put_user(0, &frame->uc.tuc_flags);
@ -4880,7 +4870,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka,
signal = current_exec_domain_sig(sig);
err |= copy_siginfo_to_user(&rt_sf->info, info);
copy_siginfo_to_user(&rt_sf->info, info);
__put_user(0, &rt_sf->uc.tuc_flags);
__put_user(0, &rt_sf->uc.tuc_link);
@ -5298,7 +5288,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka,
uc_addr = frame_addr + offsetof(struct target_rt_sigframe, uc);
__put_user(uc_addr, &frame->puc);
err |= copy_siginfo_to_user(&frame->info, info);
copy_siginfo_to_user(&frame->info, info);
/* Create the ucontext */
@ -5584,7 +5574,7 @@ static void setup_rt_frame(int sig, struct target_sigaction *ka,
goto give_sigsegv;
}
err |= copy_siginfo_to_user(&frame->info, info);
copy_siginfo_to_user(&frame->info, info);
__put_user(0, &frame->uc.tuc_flags);
__put_user(0, &frame->uc.tuc_link);