[PATCH net-next] skbuff: Add BUG_ON in skb_init.

[Tonghao Zhang]

When initializing the skbuff SLAB cache, we should make
sure it is successful. Adding BUG_ON to check it and
init_inodecache() is in the same case.

Signed-off-by: Tonghao Zhang <xiangxia.m....@gmail.com>
---
 net/core/skbuff.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 42b62c716a33..9513de519870 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -3904,6 +3904,8 @@ void __init skb_init(void)
                                                0,
                                                SLAB_HWCACHE_ALIGN|SLAB_PANIC,
                                                NULL);
+       BUG_ON(skbuff_head_cache == NULL);
+       BUG_ON(skbuff_fclone_cache == NULL);
 }
 
 static int
-- 
2.13.4