diff options
Diffstat (limited to 'arch/s390/kernel/compat_signal.c')
| -rw-r--r-- | arch/s390/kernel/compat_signal.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c index 4f68c81d3ffa..60c268b16f91 100644 --- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -501,8 +501,12 @@ static int setup_frame32(int sig, struct k_sigaction *ka, /* We forgot to include these in the sigcontext. To avoid breaking binary compatibility, they are passed as args. */ - regs->gprs[4] = current->thread.trap_no; - regs->gprs[5] = current->thread.prot_addr; + if (sig == SIGSEGV || sig == SIGBUS || sig == SIGILL || + sig == SIGTRAP || sig == SIGFPE) { + /* set extra registers only for synchronous signals */ + regs->gprs[4] = regs->int_code & 127; + regs->gprs[5] = regs->int_parm_long; + } /* Place signal number on stack to allow backtrace from handler. */ if (__put_user(regs->gprs[2], (int __force __user *) &frame->signo)) |