Commit be3d3343 authored by Mark Brown's avatar Mark Brown Committed by Andrew Morton
Browse files

kselftest/mm: clarify errors for pipe() 

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: default avatarMark Brown <broonie@kernel.org>
Suggested-by: default avatarDavid Hildenbrand <david@redhat.com>
Acked-by: default avatarDavid Hildenbrand <david@redhat.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent 7e43195c

tools/testing/selftests/mm/cow.c

+2 −2
Original line number Diff line number Diff line
@@ -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;