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-rw-r--r--arch/x86/kernel/signal_32.c31
1 files changed, 12 insertions, 19 deletions
diff --git a/arch/x86/kernel/signal_32.c b/arch/x86/kernel/signal_32.c
index 48982f7ce886..b668efc18eae 100644
--- a/arch/x86/kernel/signal_32.c
+++ b/arch/x86/kernel/signal_32.c
@@ -344,7 +344,6 @@ __setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
344 struct sigframe __user *frame; 344 struct sigframe __user *frame;
345 void __user *restorer; 345 void __user *restorer;
346 int err = 0; 346 int err = 0;
347 int usig;
348 void __user *fpstate = NULL; 347 void __user *fpstate = NULL;
349 348
350 frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate); 349 frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate);
@@ -352,13 +351,7 @@ __setup_frame(int sig, struct k_sigaction *ka, sigset_t *set,
352 if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) 351 if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
353 goto give_sigsegv; 352 goto give_sigsegv;
354 353
355 usig = current_thread_info()->exec_domain 354 err = __put_user(sig, &frame->sig);
356 && current_thread_info()->exec_domain->signal_invmap
357 && sig < 32
358 ? current_thread_info()->exec_domain->signal_invmap[sig]
359 : sig;
360
361 err = __put_user(usig, &frame->sig);
362 if (err) 355 if (err)
363 goto give_sigsegv; 356 goto give_sigsegv;
364 357
@@ -422,7 +415,6 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
422 struct rt_sigframe __user *frame; 415 struct rt_sigframe __user *frame;
423 void __user *restorer; 416 void __user *restorer;
424 int err = 0; 417 int err = 0;
425 int usig;
426 void __user *fpstate = NULL; 418 void __user *fpstate = NULL;
427 419
428 frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate); 420 frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate);
@@ -430,13 +422,7 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
430 if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame))) 422 if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
431 goto give_sigsegv; 423 goto give_sigsegv;
432 424
433 usig = current_thread_info()->exec_domain 425 err |= __put_user(sig, &frame->sig);
434 && current_thread_info()->exec_domain->signal_invmap
435 && sig < 32
436 ? current_thread_info()->exec_domain->signal_invmap[sig]
437 : sig;
438
439 err |= __put_user(usig, &frame->sig);
440 err |= __put_user(&frame->info, &frame->pinfo); 426 err |= __put_user(&frame->info, &frame->pinfo);
441 err |= __put_user(&frame->uc, &frame->puc); 427 err |= __put_user(&frame->uc, &frame->puc);
442 err |= copy_siginfo_to_user(&frame->info, info); 428 err |= copy_siginfo_to_user(&frame->info, info);
@@ -482,7 +468,7 @@ static int __setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
482 /* Set up registers for signal handler */ 468 /* Set up registers for signal handler */
483 regs->sp = (unsigned long)frame; 469 regs->sp = (unsigned long)frame;
484 regs->ip = (unsigned long)ka->sa.sa_handler; 470 regs->ip = (unsigned long)ka->sa.sa_handler;
485 regs->ax = (unsigned long)usig; 471 regs->ax = (unsigned long)sig;
486 regs->dx = (unsigned long)&frame->info; 472 regs->dx = (unsigned long)&frame->info;
487 regs->cx = (unsigned long)&frame->uc; 473 regs->cx = (unsigned long)&frame->uc;
488 474
@@ -506,12 +492,19 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
506 sigset_t *set, struct pt_regs *regs) 492 sigset_t *set, struct pt_regs *regs)
507{ 493{
508 int ret; 494 int ret;
495 int usig;
496
497 usig = current_thread_info()->exec_domain
498 && current_thread_info()->exec_domain->signal_invmap
499 && sig < 32
500 ? current_thread_info()->exec_domain->signal_invmap[sig]
501 : sig;
509 502
510 /* Set up the stack frame */ 503 /* Set up the stack frame */
511 if (ka->sa.sa_flags & SA_SIGINFO) 504 if (ka->sa.sa_flags & SA_SIGINFO)
512 ret = __setup_rt_frame(sig, ka, info, set, regs); 505 ret = __setup_rt_frame(usig, ka, info, set, regs);
513 else 506 else
514 ret = __setup_frame(sig, ka, set, regs); 507 ret = __setup_frame(usig, ka, set, regs);
515 508
516 return ret; 509 return ret;
517} 510}