bbc-i2c: Fix BBC I2C envctrl on SunBlade 2000

[firefly-linux-kernel-4.4.55.git] / mm / slab.h

diff --git a/mm/slab.h b/mm/slab.h
index f96b49e4704efb1d362ef10c6eacef81afb9e6a0..4d6d836247dd95c3eb5e4d3e39295a80eb000a81 100644 (file)
--- a/mm/slab.h
+++ b/mm/slab.h
@@ -162,6 +162,8 @@ static inline const char *cache_name(struct kmem_cache *s)
 
 static inline struct kmem_cache *cache_from_memcg(struct kmem_cache *s, int idx)
 {
+       if (!s->memcg_params)
+               return NULL;
        return s->memcg_params->memcg_caches[idx];
 }