Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android

[firefly-linux-kernel-4.4.55.git] / arch / x86 / kernel / ptrace.c

diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 558f50edebca8f55a8c33e67bfcd21f9c78037a9..479a409ddac8eaaaf72e48646166af5615baff70 100644 (file)
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -188,8 +188,8 @@ unsigned long kernel_stack_pointer(struct pt_regs *regs)
                return sp;
 
        prev_esp = (u32 *)(context);
-       if (prev_esp)
-               return (unsigned long)prev_esp;
+       if (*prev_esp)
+               return (unsigned long)*prev_esp;
 
        return (unsigned long)regs;
 }