Merge tag 'drm/tegra/for-4.16-rc7-fixes' of git://anongit.freedesktop.org/tegra/linux...

[linux.git] / lib / btree.c

diff --git a/lib/btree.c b/lib/btree.c
index f93a945274af12575f8fbbceb821552b2a13e61e..590facba2c5083b36b54b0809408ccedb97d43b5 100644 (file)
--- a/lib/btree.c
+++ b/lib/btree.c
@@ -3,7 +3,7 @@
  *
  * As should be obvious for Linux kernel code, license is GPLv2
  *
- * Copyright (c) 2007-2008 Joern Engel <joern@logfs.org>
+ * Copyright (c) 2007-2008 Joern Engel <joern@purestorage.com>
  * Bits and pieces stolen from Peter Zijlstra's code, which is
  * Copyright 2007, Red Hat Inc. Peter Zijlstra
  * GPLv2
@@ -76,6 +76,8 @@ struct btree_geo btree_geo128 = {
 };
 EXPORT_SYMBOL_GPL(btree_geo128);
 
+#define MAX_KEYLEN     (2 * LONG_PER_U64)
+
 static struct kmem_cache *btree_cachep;
 
 void *btree_alloc(gfp_t gfp_mask, void *pool_data)
@@ -313,7 +315,7 @@ void *btree_get_prev(struct btree_head *head, struct btree_geo *geo,
 {
        int i, height;
        unsigned long *node, *oldnode;
-       unsigned long *retry_key = NULL, key[geo->keylen];
+       unsigned long *retry_key = NULL, key[MAX_KEYLEN];
 
        if (keyzero(geo, __key))
                return NULL;
@@ -639,8 +641,8 @@ EXPORT_SYMBOL_GPL(btree_remove);
 int btree_merge(struct btree_head *target, struct btree_head *victim,
                struct btree_geo *geo, gfp_t gfp)
 {
-       unsigned long key[geo->keylen];
-       unsigned long dup[geo->keylen];
+       unsigned long key[MAX_KEYLEN];
+       unsigned long dup[MAX_KEYLEN];
        void *val;
        int err;