selftests: connector: proc_filter build failed with clang-16 due to below warnings / errors on Linux next-20230725.
Reported-by: Linux Kernel Functional Testing lkft@linaro.org
clang --target=aarch64-linux-gnu -fintegrated-as -Werror=unknown-warning-option -Werror=ignored-optimization-argument -Werror=option-ignored -Werror=unused-command-line-argument --target=aarch64-linux-gnu -fintegrated-as -Wall proc_filter.c -o /home/tuxbuild/.cache/tuxmake/builds/1/build/kselftest/connector/proc_filter proc_filter.c:42:12: error: invalid application of 'sizeof' to an incomplete type 'struct proc_input' char buff[NL_MESSAGE_SIZE]; ^~~~~~~~~~~~~~~ proc_filter.c:22:5: note: expanded from macro 'NL_MESSAGE_SIZE' sizeof(struct proc_input)) ^ ~~~~~~~~~~~~~~~~~~~ proc_filter.c:42:12: note: forward declaration of 'struct proc_input' proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' sizeof(struct proc_input)) ^ proc_filter.c:48:20: error: invalid application of 'sizeof' to an incomplete type 'struct proc_input' hdr->nlmsg_len = NL_MESSAGE_SIZE; ^~~~~~~~~~~~~~~ proc_filter.c:22:5: note: expanded from macro 'NL_MESSAGE_SIZE' sizeof(struct proc_input)) ^ ~~~~~~~~~~~~~~~~~~~ proc_filter.c:42:12: note: forward declaration of 'struct proc_input' char buff[NL_MESSAGE_SIZE]; ^ proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' sizeof(struct proc_input)) ^ proc_filter.c:64:14: error: invalid application of 'sizeof' to an incomplete type 'struct proc_input' msg->len = sizeof(struct proc_input); ^ ~~~~~~~~~~~~~~~~~~~ proc_filter.c:42:12: note: forward declaration of 'struct proc_input' char buff[NL_MESSAGE_SIZE]; ^ proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' sizeof(struct proc_input)) ^ proc_filter.c:65:35: error: incomplete definition of type 'struct proc_input' ((struct proc_input *)msg->data)->mcast_op = ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ proc_filter.c:42:12: note: forward declaration of 'struct proc_input' char buff[NL_MESSAGE_SIZE]; ^ proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' sizeof(struct proc_input)) ^ proc_filter.c:66:31: error: incomplete definition of type 'struct proc_input' ((struct proc_input *)pinp)->mcast_op; ~~~~~~~~~~~~~~~~~~~~~~~~~~~^ proc_filter.c:42:12: note: forward declaration of 'struct proc_input' char buff[NL_MESSAGE_SIZE]; ^ proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' sizeof(struct proc_input)) ^ proc_filter.c:67:35: error: incomplete definition of type 'struct proc_input' ((struct proc_input *)msg->data)->event_type = ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^ proc_filter.c:42:12: note: forward declaration of 'struct proc_input' char buff[NL_MESSAGE_SIZE]; ^ proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' sizeof(struct proc_input)) ^ proc_filter.c:68:31: error: incomplete definition of type 'struct proc_input' ((struct proc_input *)pinp)->event_type; ~~~~~~~~~~~~~~~~~~~~~~~~~~~^ proc_filter.c:42:12: note: forward declaration of 'struct proc_input' char buff[NL_MESSAGE_SIZE]; ^ proc_filter.c:22:19: note: expanded from macro 'NL_MESSAGE_SIZE' sizeof(struct proc_input)) ^ proc_filter.c:245:20: error: variable has incomplete type 'struct proc_input' struct proc_input input; ^ proc_filter.c:245:9: note: forward declaration of 'struct proc_input' struct proc_input input; ^ proc_filter.c:264:22: error: use of undeclared identifier 'PROC_EVENT_NONZERO_EXIT' input.event_type = PROC_EVENT_NONZERO_EXIT; ^ 9 errors generated. make[4]: Leaving directory '/builds/linux/tools/testing/selftests/connector'
Links: - https://storage.tuxsuite.com/public/linaro/lkft/builds/2T3676HpK243gMBLYJCp4...
steps to reproduce: - https://storage.tuxsuite.com/public/linaro/lkft/builds/2T3676HpK243gMBLYJCp4... -- Linaro LKFT https://lkft.linaro.org