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| author |   Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2025-05-28 10:55:19 +0200 |
|---|---|---|
| committer |   Peter Zijlstra <peterz@infradead.org> | 2025-06-05 14:37:58 +0200 |
| commit | 1a9dcf69c7a97e733aa2fc026db22f22928ca7b7 (patch) | |
| tree | 14e5c7cf3e7253c26838e89d22b6818838a73782 | |
| parent | Merge tag 'rust-6.16' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux (diff) | |
| download | wireguard-linux-1a9dcf69c7a97e733aa2fc026db22f22928ca7b7.tar.xz wireguard-linux-1a9dcf69c7a97e733aa2fc026db22f22928ca7b7.zip | |
selftests/futex: getopt() requires int as return value.
Mark reported that futex_priv_hash fails on ARM64.
It turns out that the command line parsing does not terminate properly
and ends in the default case assuming an invalid option was passed.
Use an int as the return type for getopt().
Closes: https://lore.kernel.org/all/31869a69-063f-44a3-a079-ba71b2506cce@sirena.org.uk/
Fixes: 3163369407baf ("selftests/futex: Add futex_numa_mpol")
Fixes: cda95faef7bcf ("selftests/futex: Add futex_priv_hash")
Reported-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20250528085521.1938355-2-bigeasy@linutronix.de
| -rw-r--r-- | tools/testing/selftests/futex/functional/futex_numa_mpol.c | 2 | ||||
| -rw-r--r-- | tools/testing/selftests/futex/functional/futex_priv_hash.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/tools/testing/selftests/futex/functional/futex_numa_mpol.c b/tools/testing/selftests/futex/functional/futex_numa_mpol.c index 20a9d3ecf743..564dbd02d2f4 100644 --- a/tools/testing/selftests/futex/functional/futex_numa_mpol.c +++ b/tools/testing/selftests/futex/functional/futex_numa_mpol.c @@ -144,7 +144,7 @@ int main(int argc, char *argv[]) struct futex32_numa *futex_numa; int mem_size, i; void *futex_ptr; - char c; + int c; while ((c = getopt(argc, argv, "chv:")) != -1) { switch (c) { diff --git a/tools/testing/selftests/futex/functional/futex_priv_hash.c b/tools/testing/selftests/futex/functional/futex_priv_hash.c index 2dca18fefedc..24a92dc94eb8 100644 --- a/tools/testing/selftests/futex/functional/futex_priv_hash.c +++ b/tools/testing/selftests/futex/functional/futex_priv_hash.c @@ -130,7 +130,7 @@ int main(int argc, char *argv[]) pthread_mutexattr_t mutex_attr_pi; int use_global_hash = 0; int ret; - char c; + int c; while ((c = getopt(argc, argv, "cghv:")) != -1) { switch (c) { |