+ selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches.patch added to mm-nonmm-unstable branch

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The patch titled
     Subject: selftests/mqueue: fix 5 warnings about signed/unsigned mismatches
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: John Hubbard <jhubbard@xxxxxxxxxx>
Subject: selftests/mqueue: fix 5 warnings about signed/unsigned mismatches
Date: Mon, 27 May 2024 13:08:35 -0700

When building with clang, via:

    make LLVM=1 -C tools/testing/selftest

..clang warns about several cases of using a signed integer for the
priority argument to mq_receive(3), which expects an unsigned int.

Fix this by declaring the type as unsigned int in all cases.

Link: https://lkml.kernel.org/r/20240527200835.143682-1-jhubbard@xxxxxxxxxx
Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
Reviewed-by: Ryan Roberts <ryan.roberts@xxxxxxx>
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
Cc: SeongJae Park <sj@xxxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Cc: Valentin Obst <kernel@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 tools/testing/selftests/mqueue/mq_perf_tests.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/tools/testing/selftests/mqueue/mq_perf_tests.c~selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches
+++ a/tools/testing/selftests/mqueue/mq_perf_tests.c
@@ -323,7 +323,8 @@ void *fake_cont_thread(void *arg)
 void *cont_thread(void *arg)
 {
 	char buff[MSG_SIZE];
-	int i, priority;
+	int i;
+	unsigned int priority;
 
 	for (i = 0; i < num_cpus_to_pin; i++)
 		if (cpu_threads[i] == pthread_self())
@@ -425,7 +426,8 @@ struct test test2[] = {
 void *perf_test_thread(void *arg)
 {
 	char buff[MSG_SIZE];
-	int prio_out, prio_in;
+	int prio_out;
+	unsigned int prio_in;
 	int i;
 	clockid_t clock;
 	pthread_t *t;
_

Patches currently in -mm which might be from jhubbard@xxxxxxxxxx are

selftests-mqueue-fix-5-warnings-about-signed-unsigned-mismatches.patch





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