diff options
Diffstat (limited to 'arch/x86/include/asm/stacktrace.h')
| -rw-r--r-- | arch/x86/include/asm/stacktrace.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h index 37f2e0b377ad..4141ead86879 100644 --- a/arch/x86/include/asm/stacktrace.h +++ b/arch/x86/include/asm/stacktrace.h @@ -55,13 +55,16 @@ extern int kstack_depth_to_print; static inline unsigned long * get_frame_pointer(struct task_struct *task, struct pt_regs *regs) { + struct inactive_task_frame *frame; + if (regs) return (unsigned long *)regs->bp; if (task == current) return __builtin_frame_address(0); - return (unsigned long *)((struct inactive_task_frame *)task->thread.sp)->bp; + frame = (struct inactive_task_frame *)task->thread.sp; + return (unsigned long *)READ_ONCE_NOCHECK(frame->bp); } #else static inline unsigned long * |