selftests/resctrl: Close perf value read fd on errors

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[ Upstream commit 51a0c3b7f0 ]

Perf event fd (fd_lm) is not closed when run_fill_buf() returns error.

Close fd_lm only in cat_val() to make it easier to track it is always
closed.

Fixes: 790bf585b0 ("selftests/resctrl: Add Cache Allocation Technology (CAT) selftest")
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Tested-by: Babu Moger <babu.moger@amd.com>
Tested-by: Shaopeng Tan (Fujitsu) <tan.shaopeng@fujitsu.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Ilpo Järvinen 2023-07-17 16:14:52 +03:00 • committed by Greg Kroah-Hartman

parent 84ddb2c8d5

commit 0bf16f0dff

1 changed files with 11 additions and 7 deletions

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tools/testing/selftests/resctrl/cache.c

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