On Tue, Aug 23, 2022 at 10:48:11PM +0000, Andrew Delgadilo wrote:
From: Andrew Delgadillo adelg@google.com
commit 2c5db60e46ad ("tests: add close_range() tests") adds the close_range test under the core namespace. In its current form, the close_range test has an unused variable, namely, ret. For those building with -Werror,-Wall, this breaks the build.
Without this patch: $ make -C tools/testing/selftests/ TARGETS=core V=1 CFLAGS="-Werror -Wall"
make: Entering directory '/.../kernel-src/tools/testing/selftests' make[1]: Entering directory '/.../kernel-src/tools/testing/selftests/core' gcc -Werror -Wall close_range_test.c -o /.../kernel-src/tools/testing/selftests/core/close_range_test close_range_test.c: In function 'core_close_range': close_range_test.c:55:16: error: unused variable 'ret' [-Werror=unused-variable] 55 | int i, ret; | ^~~ cc1: all warnings being treated as errors make[1]: *** [../lib.mk:135: /.../kernel-src/tools/testing/selftests/core/close_range_test] Error 1 make[1]: Leaving directory '/.../kernel-src/tools/testing/selftests/core' make: *** [Makefile:155: all] Error 2 make: Leaving directory '/.../kernel-src/tools/testing/selftests'
With this patch: $ make -C tools/testing/selftests/ TARGETS=core V=1 CFLAGS="-Werror -Wall"
make: Entering directory '/.../kernel-src/tools/testing/selftests' make[1]: Entering directory '/.../kernel-src/tools/testing/selftests/core' gcc -Werror -Wall close_range_test.c -o /.../kernel-src/tools/testing/selftests/core/close_range_test make[1]: Leaving directory '/.../kernel-src/tools/testing/selftests/core' make: Leaving directory '/.../kernel-src/tools/testing/selftests'
Fixes: 2c5db60e46ad ("tests: add close_range() tests") Cc: stable@vger.kernel.org Signed-off-by: Andrew Delgadillo adelg@google.com
Thanks, Reviewed-by: Christian Brauner (Microsoft) brauner@kernel.org