[PATCH] Really ignore kmem_cache_destroy return value

* Rougly half of callers already do it by not checking return value
* Code in drivers/acpi/osl.c does the following to be sure:

	(void)kmem_cache_destroy(cache);

* Those who check it printk something, however, slab_error already printed
  the name of failed cache.
* XFS BUGs on failed kmem_cache_destroy which is not the decision
  low-level filesystem driver should make. Converted to ignore.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/xfs/linux-2.6/kmem.h

@@ -91,8 +91,8 @@ kmem_zone_free(kmem_zone_t *zone, void *ptr)
 static inline void
 kmem_zone_destroy(kmem_zone_t *zone)
 {
-	if (zone && kmem_cache_destroy(zone))
-		BUG();
+	if (zone)
+		kmem_cache_destroy(zone);
 }
 
 extern void *kmem_zone_alloc(kmem_zone_t *, unsigned int __nocast);