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authorLinus Torvalds <torvalds@linux-foundation.org>2017-03-07 10:52:26 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-03-07 10:52:26 -0800
commit9e91c144e689bb780b412c2c7908b9cf7b96f31f (patch)
tree8fe573a54384a1ff54fc0022fa6285ac9f557779 /lib
parentf7d6a7283aa1de430c6323a9714d1a787bc2d1ea (diff)
parentf0f3f2d0a3e0f7c48163fd8b45f5909d46e7f371 (diff)
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Merge branch 'idr-4.11' of git://git.infradead.org/users/willy/linux-dax
Pull idr fix (and new tests) from Matthew Wilcox: "One urgent patch in here; freeing the correct IDA bitmap. Everything else is changes to the test suite" * 'idr-4.11' of git://git.infradead.org/users/willy/linux-dax: radix tree test suite: Specify -m32 in LDFLAGS too ida: Free correct IDA bitmap radix tree test suite: Depend on Makefile and quieten grep radix tree test suite: Fix build with --as-needed radix tree test suite: Build 32 bit binaries radix tree test suite: Add performance test for radix_tree_join() radix tree test suite: Add performance test for radix_tree_split() radix tree test suite: Add performance benchmarks radix tree test suite: Add test for radix_tree_clear_tags() radix tree test suite: Add tests for ida_simple_get() and ida_simple_remove() radix tree test suite: Add test for idr_get_next()
Diffstat (limited to 'lib')
-rw-r--r--lib/radix-tree.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index 5ed506d648c4..691a9ad48497 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -2129,8 +2129,8 @@ int ida_pre_get(struct ida *ida, gfp_t gfp)
struct ida_bitmap *bitmap = kmalloc(sizeof(*bitmap), gfp);
if (!bitmap)
return 0;
- bitmap = this_cpu_cmpxchg(ida_bitmap, NULL, bitmap);
- kfree(bitmap);
+ if (this_cpu_cmpxchg(ida_bitmap, NULL, bitmap))
+ kfree(bitmap);
}
return 1;