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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2022-10-24 21:08:09 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-11-19 00:55:08 +0300 |
| commit | 5cc81d5c81af0dee54da9a67a3ebe4be076a13db (patch) | |
| tree | cbea24d7d606cc79b5c2748599f46340247bd58a /tools/testing/selftests/proc | |
| parent | 33cd3003644b2f64a1b1c27e10ba2ed55792e1cc (diff) | |
| download | linux-5cc81d5c81af0dee54da9a67a3ebe4be076a13db.tar.xz | |
proc: fixup uptime selftest
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>
Diffstat (limited to 'tools/testing/selftests/proc')
| -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); |