diff --git a/tools/bpf/bpftool/main.c b/tools/bpf/bpftool/main.c index 14ad54a1c404a8d7145b1646476d78d4a0c91f72..d72dd73a4016641f37ed4245abe0d62cf4827de7 100644 --- a/tools/bpf/bpftool/main.c +++ b/tools/bpf/bpftool/main.c @@ -58,11 +58,19 @@ bool show_pinned; struct pinned_obj_table prog_table; struct pinned_obj_table map_table; +static void __noreturn clean_and_exit(int i) +{ + if (json_output) + jsonw_destroy(&json_wtr); + + exit(i); +} + void usage(void) { last_do_help(last_argc - 1, last_argv + 1); - exit(-1); + clean_and_exit(-1); } static int do_help(int argc, char **argv) diff --git a/tools/bpf/bpftool/main.h b/tools/bpf/bpftool/main.h index 9c191e222d6f824d5d5be3d84611a551a6dbdeca..0b60ddfb2b93aa0d4b85834a6acbb29b483458ed 100644 --- a/tools/bpf/bpftool/main.h +++ b/tools/bpf/bpftool/main.h @@ -41,6 +41,7 @@ #include #include #include +#include #include #include @@ -80,7 +81,7 @@ void p_info(const char *fmt, ...); bool is_prefix(const char *pfx, const char *str); void fprint_hex(FILE *f, void *arg, unsigned int n, const char *sep); -void usage(void) __attribute__((noreturn)); +void usage(void) __noreturn; struct pinned_obj_table { DECLARE_HASHTABLE(table, 16);