1 files changed, 3 insertions, 0 deletions

diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index c729813043a6..b00653d69c01 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -103,6 +103,9 @@ static unsigned long spufs_mem_mmap_nopfn(struct vm_area_struct *vma,
 
         offset += vma->vm_pgoff << PAGE_SHIFT;
 
+        if (offset >= LS_SIZE)
+                return NOPFN_SIGBUS;
+
         spu_acquire(ctx);
 
         if (ctx->state == SPU_STATE_SAVED) {