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selftests/bpf/test_maps: exit child process without error in ENOMEM case 

test_maps contains a series of stress tests, and previously it will break the
rest tests when it failed to alloc memory.
-----------------------
Failed to create hashmap key=8 value=262144 'Cannot allocate memory'
Failed to create hashmap key=16 value=262144 'Cannot allocate memory'
Failed to create hashmap key=8 value=262144 'Cannot allocate memory'
Failed to create hashmap key=8 value=262144 'Cannot allocate memory'
test_maps: test_maps.c:955: run_parallel: Assertion `status == 0' failed.
Aborted
not ok 1..3 selftests:  test_maps [FAIL]
-----------------------
after this patch, the rest tests will be continue when it occurs an ENOMEM failure

CC: Alexei Starovoitov <alexei.starovoitov@gmail.com>
CC: Philip Li <philip.li@intel.com>
Suggested-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Li Zhijian <zhijianx.li@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
zero-colors
Li Zhijian 2018-02-22 10:34:02 +08:00 committed by Daniel Borkmann
parent 31a8260d3e
commit 80475c48c6
1 changed files with 2 additions and 0 deletions
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2
tools/testing/selftests/bpf/test_maps.c
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@ -126,6 +126,8 @@ static void test_hashmap_sizes(int task, void *data)
fd = bpf_create_map(BPF_MAP_TYPE_HASH, i, j,
2, map_flags);
if (fd < 0) {
if (errno == ENOMEM)
return;
printf("Failed to create hashmap key=%d value=%d '%s'\n",
i, j, strerror(errno));
exit(1);