diff options
Diffstat (limited to 'arch/i386/mm')
| -rw-r--r-- | arch/i386/mm/fault.c | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/arch/i386/mm/fault.c b/arch/i386/mm/fault.c index 697645988..b88c4a422 100644 --- a/arch/i386/mm/fault.c +++ b/arch/i386/mm/fault.c @@ -124,13 +124,14 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code) unsigned long page; unsigned long fixup; int write; - int si_code = SEGV_MAPERR; + siginfo_t info; /* get the address */ __asm__("movl %%cr2,%0":"=r" (address)); tsk = current; mm = tsk->mm; + info.si_code = SEGV_MAPERR; /* * If we're in an interrupt or have no user @@ -165,9 +166,8 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code) * we can handle it.. */ good_area: + info.si_code = SEGV_ACCERR; write = 0; - si_code = SEGV_ACCERR; - switch (error_code & 3) { default: /* 3: write, present */ #ifdef TEST_VERIFY_AREA @@ -225,14 +225,14 @@ bad_area: /* User mode accesses just cause a SIGSEGV */ if (error_code & 4) { - struct siginfo si; tsk->thread.cr2 = address; tsk->thread.error_code = error_code; tsk->thread.trap_no = 14; - si.si_signo = SIGSEGV; - si.si_code = si_code; - si.si_addr = (void*) address; - force_sig_info(SIGSEGV, &si, tsk); + info.si_signo = SIGSEGV; + info.si_errno = 0; + /* info.si_code has been set above */ + info.si_addr = (void *)address; + force_sig_info(SIGSEGV, &info, tsk); return; } @@ -309,7 +309,11 @@ do_sigbus: tsk->thread.cr2 = address; tsk->thread.error_code = error_code; tsk->thread.trap_no = 14; - force_sig(SIGBUS, tsk); + info.si_code = SIGBUS; + info.si_errno = 0; + info.si_code = BUS_ADRERR; + info.si_addr = (void *)address; + force_sig_info(SIGBUS, &info, tsk); /* Kernel mode? Handle exceptions or die */ if (!(error_code & 4)) |