[PATCH] x86, dumpstack: Fix unused variable warning.

[Rakib Mullick]

With allnoconfig, bp becomes unused. So put bp into defination of
CONFIG_FRAME_POINTER.

arch/x86/kernel/dumpstack.c: In function ‘dump_stack’:
arch/x86/kernel/dumpstack.c:200: warning: unused variable ‘bp’

Signed-off-by: Rakib Mullick <rakib.mullick@xxxxxxxxx>
---

diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c
index 8474c99..fc5a253 100644
--- a/arch/x86/kernel/dumpstack.c
+++ b/arch/x86/kernel/dumpstack.c
@@ -197,10 +197,10 @@ void show_stack(struct task_struct *task,
unsigned long *sp)
  */
 void dump_stack(void)
 {
-	unsigned long bp = 0;
 	unsigned long stack;

 #ifdef CONFIG_FRAME_POINTER
+	unsigned long bp = 0;
 	if (!bp)
 		get_bp(bp);
 #endif
--
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