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-rw-r--r--arch/ppc/kernel/traps.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index aafc8e8893d..9661a91183b 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -708,7 +708,7 @@ void single_step_exception(struct pt_regs *regs)
708 708
709void alignment_exception(struct pt_regs *regs) 709void alignment_exception(struct pt_regs *regs)
710{ 710{
711 int fixed; 711 int sig, code, fixed = 0;
712 712
713 fixed = fix_alignment(regs); 713 fixed = fix_alignment(regs);
714 if (fixed == 1) { 714 if (fixed == 1) {
@@ -717,14 +717,16 @@ void alignment_exception(struct pt_regs *regs)
717 return; 717 return;
718 } 718 }
719 if (fixed == -EFAULT) { 719 if (fixed == -EFAULT) {
720 /* fixed == -EFAULT means the operand address was bad */ 720 sig = SIGSEGV;
721 if (user_mode(regs)) 721 code = SEGV_ACCERR;
722 _exception(SIGSEGV, regs, SEGV_ACCERR, regs->dar); 722 } else {
723 else 723 sig = SIGBUS;
724 bad_page_fault(regs, regs->dar, SIGSEGV); 724 code = BUS_ADRALN;
725 return;
726 } 725 }
727 _exception(SIGBUS, regs, BUS_ADRALN, regs->dar); 726 if (user_mode(regs))
727 _exception(sig, regs, code, regs->dar);
728 else
729 bad_page_fault(regs, regs->dar, sig);
728} 730}
729 731
730void StackOverflow(struct pt_regs *regs) 732void StackOverflow(struct pt_regs *regs)