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| author | Matthew Wilcox <mawilcox@microsoft.com> | 2017-11-28 22:27:14 +0300 |
|---|---|---|
| committer | Matthew Wilcox <mawilcox@microsoft.com> | 2018-02-06 23:07:20 +0300 |
| commit | 6e6d301490936789ff57daaaaf63f44d928a4028 (patch) | |
| tree | e74910fcfe54a903843c6cc4e6931ed80597dbe0 | |
| parent | 490645d027c5925b30c88b9c7a663850a641d15d (diff) | |
| download | linux-6e6d301490936789ff57daaaaf63f44d928a4028.tar.xz | |
IDR test suite: Check handling negative end correctly
One of the charming quirks of the idr_alloc() interface is that you
can pass a negative end and it will be interpreted as "maximum". Ensure
we don't break that.
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
| -rw-r--r-- | tools/testing/radix-tree/idr-test.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/testing/radix-tree/idr-test.c b/tools/testing/radix-tree/idr-test.c index 193450b29bf0..892ef8855b02 100644 --- a/tools/testing/radix-tree/idr-test.c +++ b/tools/testing/radix-tree/idr-test.c @@ -207,6 +207,7 @@ void idr_checks(void) assert(idr_alloc(&idr, item, i, i + 10, GFP_KERNEL) == i); } assert(idr_alloc(&idr, DUMMY_PTR, i - 2, i, GFP_KERNEL) == -ENOSPC); + assert(idr_alloc(&idr, DUMMY_PTR, i - 2, i + 10, GFP_KERNEL) == -ENOSPC); idr_for_each(&idr, item_idr_free, &idr); idr_destroy(&idr); |