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kselftest/mm: clarify errors for pipe()

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Patch series "selftests/mm: Tweaks to the cow test".

A collection of non-functional updates from David Hildenbrand's review.


This patch (of 4):

Specify that errors reported from pipe() failures are the result of
failures.

Link: https://lkml.kernel.org/r/20250610-selftest-mm-cow-tweaks-v1-0-43cd7457500f@kernel.org
Link: https://lkml.kernel.org/r/20250610-selftest-mm-cow-tweaks-v1-1-43cd7457500f@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Suggested-by: David Hildenbrand <david@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Mark Brown 2025-06-10 15:13:54 +01:00 committed by Andrew Morton
parent 7e43195c60
commit be3d3343d4
1 changed files with 2 additions and 2 deletions
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4
tools/testing/selftests/mm/cow.c
View File

@ -113,11 +113,11 @@ struct comm_pipes {
static int setup_comm_pipes(struct comm_pipes *comm_pipes)
{
if (pipe(comm_pipes->child_ready) < 0) {
ksft_perror("pipe()");
ksft_perror("pipe() failed");
return -errno;
}
if (pipe(comm_pipes->parent_ready) < 0) {
ksft_perror("pipe()");
ksft_perror("pipe() failed");
close(comm_pipes->child_ready[0]);
close(comm_pipes->child_ready[1]);
return -errno;