diff options
Diffstat (limited to 'arch/tile/kernel/stack.c')
| -rw-r--r-- | arch/tile/kernel/stack.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/tile/kernel/stack.c b/arch/tile/kernel/stack.c index 402b9c85a894..22bbbd3ff4a3 100644 --- a/arch/tile/kernel/stack.c +++ b/arch/tile/kernel/stack.c @@ -78,8 +78,7 @@ static bool read_memory_func(void *result, unsigned long address, /* Return a pt_regs pointer for a valid fault handler frame */ static struct pt_regs *valid_fault_handler(struct KBacktraceIterator* kbt) { - const char *fault = NULL; /* happy compiler */ - char fault_buf[64]; + char fault[64]; unsigned long sp = kbt->it.sp; struct pt_regs *p; @@ -90,14 +89,14 @@ static struct pt_regs *valid_fault_handler(struct KBacktraceIterator* kbt) if (!in_kernel_stack(kbt, sp + C_ABI_SAVE_AREA_SIZE + PTREGS_SIZE-1)) return NULL; p = (struct pt_regs *)(sp + C_ABI_SAVE_AREA_SIZE); - if (p->faultnum == INT_SWINT_1 || p->faultnum == INT_SWINT_1_SIGRETURN) - fault = "syscall"; - else { - if (kbt->verbose) { /* else we aren't going to use it */ - snprintf(fault_buf, sizeof(fault_buf), + if (kbt->verbose) { /* else we aren't going to use it */ + if (p->faultnum == INT_SWINT_1 || + p->faultnum == INT_SWINT_1_SIGRETURN) + snprintf(fault, sizeof(fault), + "syscall %ld", p->regs[TREG_SYSCALL_NR]); + else + snprintf(fault, sizeof(fault), "interrupt %ld", p->faultnum); - fault = fault_buf; - } } if (EX1_PL(p->ex1) == KERNEL_PL && __kernel_text_address(p->pc) && |