if (addr < TASK_SIZE)
return do_page_fault(addr, fsr, regs);
+ if (user_mode(regs))
+ goto bad_area;
+
index = pgd_index(addr);
/*
* defines these to be "precise" aborts.
*/
{ do_bad, SIGSEGV, 0, "vector exception" },
- { do_bad, SIGILL, BUS_ADRALN, "alignment exception" },
+ { do_bad, SIGBUS, BUS_ADRALN, "alignment exception" },
{ do_bad, SIGKILL, 0, "terminal exception" },
- { do_bad, SIGILL, BUS_ADRALN, "alignment exception" },
+ { do_bad, SIGBUS, BUS_ADRALN, "alignment exception" },
/* Do we need runtime check ? */
#if __LINUX_ARM_ARCH__ < 6
{ do_bad, SIGBUS, 0, "external abort on linefetch" },
void __init
hook_fault_code(int nr, int (*fn)(unsigned long, unsigned int, struct pt_regs *),
- int sig, const char *name)
+ int sig, int code, const char *name)
{
- if (nr >= 0 && nr < ARRAY_SIZE(fsr_info)) {
- fsr_info[nr].fn = fn;
- fsr_info[nr].sig = sig;
- fsr_info[nr].name = name;
- }
+ if (nr < 0 || nr >= ARRAY_SIZE(fsr_info))
+ BUG();
+
+ fsr_info[nr].fn = fn;
+ fsr_info[nr].sig = sig;
+ fsr_info[nr].code = code;
+ fsr_info[nr].name = name;
}
/*