It is legal for mmap_offset_ioctl to return the same offset for
different clients, so long as that offset is only valid for use with the
client's fd and no one elses.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
tests/i915/gem_mmap_offset.c | 20 +++++++++++---------
1 file changed, 11 insertions(+), 9 deletions(-)
diff --git a/tests/i915/gem_mmap_offset.c b/tests/i915/gem_mmap_offset.c
index c3b85d29e..83e9890a5 100644
--- a/tests/i915/gem_mmap_offset.c
+++ b/tests/i915/gem_mmap_offset.c
@@ -233,15 +233,17 @@ static void isolation(int i915)
igt_assert(ptr == MAP_FAILED);
igt_assert_eq(errno, EACCES);
- errno = 0;
- ptr = mmap64(0, 4096, PROT_READ, MAP_SHARED, B, offset_a);
- igt_assert(ptr == MAP_FAILED);
- igt_assert_eq(errno, EACCES);
-
- errno = 0;
- ptr = mmap64(0, 4096, PROT_READ, MAP_SHARED, A, offset_b);
- igt_assert(ptr == MAP_FAILED);
- igt_assert_eq(errno, EACCES);
+ if (offset_a != offset_b) {
+ errno = 0;
+ ptr = mmap(0, 4096, PROT_READ, MAP_SHARED, B, offset_a);
+ igt_assert(ptr == MAP_FAILED);
+ igt_assert_eq(errno, EACCES);
+
+ errno = 0;
+ ptr = mmap(0, 4096, PROT_READ, MAP_SHARED, A, offset_b);
+ igt_assert(ptr == MAP_FAILED);
+ igt_assert_eq(errno, EACCES);
+ }
close(B);
--
2.25.0
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