sh: Shut up compiler warnings in __do_page_fault().

GCC doesn't seem to be able to figure this one out for
itself, so just shut it up..

  CC      arch/sh/mm/fault.o
arch/sh/mm/fault.c: In function '__do_page_fault':
arch/sh/mm/fault.c:288: warning: 'ptl' may be used uninitialized in this function

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index 9207da67ff8a..62d028921036 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -285,7 +285,7 @@ asmlinkage int __kprobes __do_page_fault(struct pt_regs *regs,
         pte_t *pte;
         pte_t entry;
         struct mm_struct *mm = current->mm;
-        spinlock_t *ptl;
+        spinlock_t *ptl = NULL;
         int ret = 1;
 
 #ifdef CONFIG_SH_KGDB