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authorDave Airlie <airlied@redhat.com>2018-03-28 14:30:41 +1000
committerDave Airlie <airlied@redhat.com>2018-03-28 14:30:41 +1000
commit2b4f44eec2be2688511c2b617d0e1b4f94c45ba4 (patch)
tree533c03602f4ae6d6404db6fa56c88e6f83e1bebe /lib/btree.c
parent33d009cd889490838c5db9b9339856c9e3d3facc (diff)
parent3eb2ce825ea1ad89d20f7a3b5780df850e4be274 (diff)
downloadlinux-2b4f44eec2be2688511c2b617d0e1b4f94c45ba4.tar.gz
linux-2b4f44eec2be2688511c2b617d0e1b4f94c45ba4.tar.xz
Backmerge tag 'v4.16-rc7' into drm-next
Linux 4.16-rc7 This was requested by Daniel, and things were getting a bit hard to reconcile, most of the conflicts were trivial though.
Diffstat (limited to 'lib/btree.c')
-rw-r--r--lib/btree.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/btree.c b/lib/btree.c
index f93a945274af..590facba2c50 100644
--- 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;