diff options
Diffstat (limited to 'arch/x86/kernel/dumpstack_32.c')
| -rw-r--r-- | arch/x86/kernel/dumpstack_32.c | 25 |
1 files changed, 4 insertions, 21 deletions
diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c index 09675712eba8..358fe1cd4e5b 100644 --- a/arch/x86/kernel/dumpstack_32.c +++ b/arch/x86/kernel/dumpstack_32.c @@ -46,19 +46,9 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, int graph = 0; u32 *prev_esp; - if (!task) - task = current; - - if (!stack) { - unsigned long dummy; - - stack = &dummy; - if (task != current) - stack = (unsigned long *)task->thread.sp; - } - - if (!bp) - bp = stack_frame(task, regs); + task = task ? : current; + stack = stack ? : get_stack_pointer(task, regs); + bp = bp ? : (unsigned long)get_frame_pointer(task, regs); for (;;) { void *end_stack; @@ -95,14 +85,7 @@ show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, unsigned long *stack; int i; - if (sp == NULL) { - if (regs) - sp = (unsigned long *)regs->sp; - else if (task) - sp = (unsigned long *)task->thread.sp; - else - sp = (unsigned long *)&sp; - } + sp = sp ? : get_stack_pointer(task, regs); stack = sp; for (i = 0; i < kstack_depth_to_print; i++) { |