Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 28/51] selftests/net: rxtimestamp: fix clang issues for target arch PowerPC | Date | Mon, 3 Aug 2020 14:20:13 +0200 |
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From: Tanner Love <tannerlove@google.com>
[ Upstream commit 955cbe91bcf782c09afe369c95a20f0a4b6dcc3c ]
The signedness of char is implementation-dependent. Some systems (including PowerPC and ARM) use unsigned char. Clang 9 threw: warning: result of comparison of constant -1 with expression of type \ 'char' is always true [-Wtautological-constant-out-of-range-compare] &arg_index)) != -1) {
Tested: make -C tools/testing/selftests TARGETS="net" run_tests
Fixes: 16e781224198 ("selftests/net: Add a test to validate behavior of rx timestamps") Signed-off-by: Tanner Love <tannerlove@google.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org> --- tools/testing/selftests/networking/timestamping/rxtimestamp.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/tools/testing/selftests/networking/timestamping/rxtimestamp.c b/tools/testing/selftests/networking/timestamping/rxtimestamp.c index 7a573fb4c1c4e..c6428f1ac22fb 100644 --- a/tools/testing/selftests/networking/timestamping/rxtimestamp.c +++ b/tools/testing/selftests/networking/timestamping/rxtimestamp.c @@ -328,8 +328,7 @@ int main(int argc, char **argv) bool all_tests = true; int arg_index = 0; int failures = 0; - int s, t; - char opt; + int s, t, opt; while ((opt = getopt_long(argc, argv, "", long_options, &arg_index)) != -1) { -- 2.25.1
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