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-rw-r--r--arch/tile/kernel/stack.c17
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) &&