diff options
| -rw-r--r-- | arch/s390/kernel/traps.c | 32 | ||||
| -rw-r--r-- | arch/s390/mm/fault.c | 23 |
2 files changed, 12 insertions, 43 deletions
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c index 3ba649d8aa5a..8003b38c1688 100644 --- a/arch/s390/kernel/traps.c +++ b/arch/s390/kernel/traps.c @@ -44,15 +44,8 @@ int is_valid_bugaddr(unsigned long addr) void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str) { - siginfo_t info; - if (user_mode(regs)) { - clear_siginfo(&info); - info.si_signo = si_signo; - info.si_errno = 0; - info.si_code = si_code; - info.si_addr = get_trap_ip(regs); - force_sig_info(si_signo, &info, current); + force_sig_fault(si_signo, si_code, get_trap_ip(regs), current); report_user_fault(regs, si_signo, 0); } else { const struct exception_table_entry *fixup; @@ -81,19 +74,12 @@ NOKPROBE_SYMBOL(do_trap); void do_per_trap(struct pt_regs *regs) { - siginfo_t info; - if (notify_die(DIE_SSTEP, "sstep", regs, 0, 0, SIGTRAP) == NOTIFY_STOP) return; if (!current->ptrace) return; - clear_siginfo(&info); - info.si_signo = SIGTRAP; - info.si_errno = 0; - info.si_code = TRAP_HWBKPT; - info.si_addr = - (void __force __user *) current->thread.per_event.address; - force_sig_info(SIGTRAP, &info, current); + force_sig_fault(SIGTRAP, TRAP_HWBKPT, + (void __force __user *) current->thread.per_event.address, current); } NOKPROBE_SYMBOL(do_per_trap); @@ -178,15 +164,9 @@ void illegal_op(struct pt_regs *regs) if (get_user(*((__u16 *) opcode), (__u16 __user *) location)) return; if (*((__u16 *) opcode) == S390_BREAKPOINT_U16) { - if (current->ptrace) { - siginfo_t info; - clear_siginfo(&info); - info.si_signo = SIGTRAP; - info.si_errno = 0; - info.si_code = TRAP_BRKPT; - info.si_addr = location; - force_sig_info(SIGTRAP, &info, current); - } else + if (current->ptrace) + force_sig_fault(SIGTRAP, TRAP_BRKPT, location, current); + else signal = SIGILL; #ifdef CONFIG_UPROBES } else if (*((__u16 *) opcode) == UPROBE_SWBP_INSN) { diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index b3ff0e8e5860..e074480d3598 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -265,15 +265,10 @@ void report_user_fault(struct pt_regs *regs, long signr, int is_mm_fault) */ static noinline void do_sigsegv(struct pt_regs *regs, int si_code) { - struct siginfo si; - report_user_fault(regs, SIGSEGV, 1); - clear_siginfo(&si); - si.si_signo = SIGSEGV; - si.si_errno = 0; - si.si_code = si_code; - si.si_addr = (void __user *)(regs->int_parm_long & __FAIL_ADDR_MASK); - force_sig_info(SIGSEGV, &si, current); + force_sig_fault(SIGSEGV, si_code, + (void __user *)(regs->int_parm_long & __FAIL_ADDR_MASK), + current); } static noinline void do_no_context(struct pt_regs *regs) @@ -317,19 +312,13 @@ static noinline void do_low_address(struct pt_regs *regs) static noinline void do_sigbus(struct pt_regs *regs) { - struct task_struct *tsk = current; - struct siginfo si; - /* * Send a sigbus, regardless of whether we were in kernel * or user mode. */ - clear_siginfo(&si); - si.si_signo = SIGBUS; - si.si_errno = 0; - si.si_code = BUS_ADRERR; - si.si_addr = (void __user *)(regs->int_parm_long & __FAIL_ADDR_MASK); - force_sig_info(SIGBUS, &si, tsk); + force_sig_fault(SIGBUS, BUS_ADRERR, + (void __user *)(regs->int_parm_long & __FAIL_ADDR_MASK), + current); } static noinline int signal_return(struct pt_regs *regs) |