[Blackfin] arch: current_l1_stack_save is a pointer, so use NULL rather than 0

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/asm-blackfin/mmu_context.h b/include/asm-blackfin/mmu_context.h
index b5eb67596ad5..f55ec3c23a92 100644
--- a/include/asm-blackfin/mmu_context.h
+++ b/include/asm-blackfin/mmu_context.h
@@ -73,7 +73,7 @@ static inline void destroy_context(struct mm_struct *mm)
         struct sram_list_struct *tmp;
 
         if (current_l1_stack_save == mm->context.l1_stack_save)
-                current_l1_stack_save = 0;
+                current_l1_stack_save = NULL;
         if (mm->context.l1_stack_save)
                 free_l1stack();