diff options
| author | Richard Weinberger <richard@nod.at> | 2013-10-07 15:01:08 +0200 |
|---|---|---|
| committer | Richard Weinberger <richard@sigma-star.at> | 2014-08-06 13:03:20 +0200 |
| commit | b3707c7ed013d36752272ca2f9ed20dc8aed92e4 (patch) | |
| tree | 3b302c32a0ce9f30eda613994acb9e3f086dad9c /arch/tile/kernel/compat_signal.c | |
| parent | b46e848768acc458ba94feef162b8901592dbb9c (diff) | |
| download | linux-next-b3707c7ed013d36752272ca2f9ed20dc8aed92e4.tar.gz | |
tile: Use get_signal() signal_setup_done()
Use the more generic functions get_signal() signal_setup_done()
for signal delivery.
Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Diffstat (limited to 'arch/tile/kernel/compat_signal.c')
| -rw-r--r-- | arch/tile/kernel/compat_signal.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/arch/tile/kernel/compat_signal.c b/arch/tile/kernel/compat_signal.c index 19c04b5ce408..8c5abf2e4794 100644 --- a/arch/tile/kernel/compat_signal.c +++ b/arch/tile/kernel/compat_signal.c @@ -190,18 +190,18 @@ static inline void __user *compat_get_sigframe(struct k_sigaction *ka, return (void __user *) sp; } -int compat_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, - sigset_t *set, struct pt_regs *regs) +int compat_setup_rt_frame(struct ksignal *ksig, sigset_t *set, + struct pt_regs *regs) { unsigned long restorer; struct compat_rt_sigframe __user *frame; - int err = 0; + int err = 0, sig = ksig->sig; int usig; - frame = compat_get_sigframe(ka, regs, sizeof(*frame)); + frame = compat_get_sigframe(&ksig->ka, regs, sizeof(*frame)); if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) - goto give_sigsegv; + goto err; usig = current_thread_info()->exec_domain && current_thread_info()->exec_domain->signal_invmap @@ -210,12 +210,12 @@ int compat_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, : sig; /* Always write at least the signal number for the stack backtracer. */ - if (ka->sa.sa_flags & SA_SIGINFO) { + if (ksig->ka.sa.sa_flags & SA_SIGINFO) { /* At sigreturn time, restore the callee-save registers too. */ - err |= copy_siginfo_to_user32(&frame->info, info); + err |= copy_siginfo_to_user32(&frame->info, &ksig->info); regs->flags |= PT_FLAGS_RESTORE_REGS; } else { - err |= __put_user(info->si_signo, &frame->info.si_signo); + err |= __put_user(ksig->info.si_signo, &frame->info.si_signo); } /* Create the ucontext. */ @@ -226,11 +226,11 @@ int compat_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, err |= setup_sigcontext(&frame->uc.uc_mcontext, regs); err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); if (err) - goto give_sigsegv; + goto err; restorer = VDSO_SYM(&__vdso_rt_sigreturn); - if (ka->sa.sa_flags & SA_RESTORER) - restorer = ptr_to_compat_reg(ka->sa.sa_restorer); + if (ksig->ka.sa.sa_flags & SA_RESTORER) + restorer = ptr_to_compat_reg(ksig->ka.sa.sa_restorer); /* * Set up registers for signal handler. @@ -239,7 +239,7 @@ int compat_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, * We always pass siginfo and mcontext, regardless of SA_SIGINFO, * since some things rely on this (e.g. glibc's debug/segfault.c). */ - regs->pc = ptr_to_compat_reg(ka->sa.sa_handler); + regs->pc = ptr_to_compat_reg(ksig->ka.sa.sa_handler); regs->ex1 = PL_ICS_EX1(USER_PL, 1); /* set crit sec in handler */ regs->sp = ptr_to_compat_reg(frame); regs->lr = restorer; @@ -249,7 +249,8 @@ int compat_setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, regs->flags |= PT_FLAGS_CALLER_SAVES; return 0; -give_sigsegv: - signal_fault("bad setup frame", regs, frame, sig); +err: + trace_unhandled_signal("bad sigreturn frame", regs, + (unsigned long)frame, SIGSEGV); return -EFAULT; } |