bdi: test bdi_init failure

[platform/adaptation/renesas_rcar/renesas_kernel.git] / mm / swap.c

diff --git a/mm/swap.c b/mm/swap.c
index 759c3ca..7a9f80d 100644 (file)
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -934,7 +934,8 @@ void __init swap_setup(void)
 #ifdef CONFIG_SWAP
        int i;
 
-       bdi_init(swapper_spaces[0].backing_dev_info);
+       if (bdi_init(swapper_spaces[0].backing_dev_info))
+               panic("Failed to init swap bdi");
        for (i = 0; i < MAX_SWAPFILES; i++) {
                spin_lock_init(&swapper_spaces[i].tree_lock);
                INIT_LIST_HEAD(&swapper_spaces[i].i_mmap_nonlinear);