diff options
Diffstat (limited to 'arch/x86/kernel/signal.c')
| -rw-r--r-- | arch/x86/kernel/signal.c | 31 |
1 files changed, 9 insertions, 22 deletions
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 56f3062c511..700c49dcd84 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -648,38 +648,27 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, { int usig = signr_convert(sig); sigset_t *set = sigmask_to_save(); - int ret; /* Set up the stack frame */ if (is_ia32) { if (ka->sa.sa_flags & SA_SIGINFO) - ret = ia32_setup_rt_frame(usig, ka, info, set, regs); + return ia32_setup_rt_frame(usig, ka, info, set, regs); else - ret = ia32_setup_frame(usig, ka, set, regs); + return ia32_setup_frame(usig, ka, set, regs); #ifdef CONFIG_X86_X32_ABI } else if (is_x32) { - ret = x32_setup_rt_frame(usig, ka, info, + return x32_setup_rt_frame(usig, ka, info, (compat_sigset_t *)set, regs); #endif } else { - ret = __setup_rt_frame(sig, ka, info, set, regs); + return __setup_rt_frame(sig, ka, info, set, regs); } - - if (ret) { - force_sigsegv(sig, current); - return -EFAULT; - } - - current_thread_info()->status &= ~TS_RESTORE_SIGMASK; - return ret; } -static int +static void handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, struct pt_regs *regs) { - int ret; - /* Are we from a system call? */ if (syscall_get_nr(current, regs) >= 0) { /* If so, check system call restarting.. */ @@ -710,10 +699,10 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, likely(test_and_clear_thread_flag(TIF_FORCED_TF))) regs->flags &= ~X86_EFLAGS_TF; - ret = setup_rt_frame(sig, ka, info, regs); - - if (ret) - return ret; + if (setup_rt_frame(sig, ka, info, regs) < 0) { + force_sigsegv(sig, current); + return; + } /* * Clear the direction flag as per the ABI for function entry. @@ -732,8 +721,6 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka, tracehook_signal_handler(sig, info, ka, regs, test_thread_flag(TIF_SINGLESTEP)); - - return 0; } #ifdef CONFIG_X86_32 |