diff options
Diffstat (limited to 'arch/sparc64/kernel/stacktrace.c')
| -rw-r--r-- | arch/sparc64/kernel/stacktrace.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/arch/sparc64/kernel/stacktrace.c b/arch/sparc64/kernel/stacktrace.c index e9d7f0660f2e..237e7f8a40ac 100644 --- a/arch/sparc64/kernel/stacktrace.c +++ b/arch/sparc64/kernel/stacktrace.c @@ -5,6 +5,8 @@ #include <asm/ptrace.h> #include <asm/stacktrace.h> +#include "kstack.h" + void save_stack_trace(struct stack_trace *trace) { unsigned long ksp, fp, thread_base; @@ -24,17 +26,13 @@ void save_stack_trace(struct stack_trace *trace) struct pt_regs *regs; unsigned long pc; - /* Bogus frame pointer? */ - if (fp < (thread_base + sizeof(struct thread_info)) || - fp > (thread_base + THREAD_SIZE - sizeof(struct sparc_stackf))) + if (!kstack_valid(tp, fp)) break; sf = (struct sparc_stackf *) fp; regs = (struct pt_regs *) (sf + 1); - if (((unsigned long)regs <= - (thread_base + THREAD_SIZE - sizeof(*regs))) && - (regs->magic & ~0x1ff) == PT_REGS_MAGIC) { + if (kstack_is_trap_frame(tp, regs)) { if (!(regs->tstate & TSTATE_PRIV)) break; pc = regs->tpc; |