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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2022-10-24 21:08:09 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-14 10:15:16 +0100 |
| commit | 9f6ea28f295f5f93349391b37ccde6a68edc5eee (patch) | |
| tree | bc4ff56472ab646b387ad68ecc2938f28e72ee5d /tools | |
| parent | d5bf025c5b7169f6f1d3d9ca9a36c6f0b39e39cb (diff) | |
proc: fixup uptime selftest
[ Upstream commit 5cc81d5c81af0dee54da9a67a3ebe4be076a13db ]
syscall(3) returns -1 and sets errno on error, unlike "syscall"
instruction.
Systems which have <= 32/64 CPUs are unaffected. Test won't bounce
to all CPUs before completing if there are more of them.
Link: https://lkml.kernel.org/r/Y1bUiT7VRXlXPQa1@p183
Fixes: 1f5bd0547654 ("proc: selftests: test /proc/uptime")
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/testing/selftests/proc/proc-uptime-002.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/testing/selftests/proc/proc-uptime-002.c b/tools/testing/selftests/proc/proc-uptime-002.c index e7ceabed7f51..7d0aa22bdc12 100644 --- a/tools/testing/selftests/proc/proc-uptime-002.c +++ b/tools/testing/selftests/proc/proc-uptime-002.c @@ -17,6 +17,7 @@ // while shifting across CPUs. #undef NDEBUG #include <assert.h> +#include <errno.h> #include <unistd.h> #include <sys/syscall.h> #include <stdlib.h> @@ -54,7 +55,7 @@ int main(void) len += sizeof(unsigned long); free(m); m = malloc(len); - } while (sys_sched_getaffinity(0, len, m) == -EINVAL); + } while (sys_sched_getaffinity(0, len, m) == -1 && errno == EINVAL); fd = open("/proc/uptime", O_RDONLY); assert(fd >= 0); |