If we want to add another report descriptor without report IDs with a report size bigger than 10, we have multiple magic values to replace.
Put a #define once and for all, so we don't have dangling ones. Signed-off-by: Benjamin Tissoires <[email protected]> --- tools/testing/selftests/hid/hid_bpf.c | 38 ++++++++++++++++---------------- tools/testing/selftests/hid/hid_common.h | 3 ++- 2 files changed, 21 insertions(+), 20 deletions(-) diff --git a/tools/testing/selftests/hid/hid_bpf.c b/tools/testing/selftests/hid/hid_bpf.c index b851339308c2..e865ee55b4f1 100644 --- a/tools/testing/selftests/hid/hid_bpf.c +++ b/tools/testing/selftests/hid/hid_bpf.c @@ -5,7 +5,7 @@ #include <bpf/bpf.h> struct hid_hw_request_syscall_args { - __u8 data[10]; + __u8 data[MAX_BUF_SIZE]; unsigned int hid; int retval; size_t size; @@ -168,7 +168,7 @@ TEST_F(hid_bpf, raw_event) const struct test_program progs[] = { { .name = "hid_first_event" }, }; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err; LOAD_PROGRAMS(progs); @@ -219,7 +219,7 @@ TEST_F(hid_bpf, subprog_raw_event) const struct test_program progs[] = { { .name = "hid_subprog_first_event" }, }; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err; LOAD_PROGRAMS(progs); @@ -277,7 +277,7 @@ TEST_F(hid_bpf, test_attach_detach) { .name = "hid_second_event" }, }; struct bpf_link *link; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err, link_fd; LOAD_PROGRAMS(progs); @@ -362,7 +362,7 @@ TEST_F(hid_bpf, test_hid_change_report) const struct test_program progs[] = { { .name = "hid_change_report_id" }, }; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err; LOAD_PROGRAMS(progs); @@ -389,13 +389,13 @@ TEST_F(hid_bpf, test_hid_user_input_report_call) { struct hid_hw_request_syscall_args args = { .retval = -1, - .size = 10, + .size = MAX_BUF_SIZE, }; DECLARE_LIBBPF_OPTS(bpf_test_run_opts, tattrs, .ctx_in = &args, .ctx_size_in = sizeof(args), ); - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err, prog_fd; LOAD_BPF; @@ -435,7 +435,7 @@ TEST_F(hid_bpf, test_hid_user_output_report_call) { struct hid_hw_request_syscall_args args = { .retval = -1, - .size = 10, + .size = MAX_BUF_SIZE, }; DECLARE_LIBBPF_OPTS(bpf_test_run_opts, tattrs, .ctx_in = &args, @@ -484,7 +484,7 @@ TEST_F(hid_bpf, test_hid_user_raw_request_call) .retval = -1, .type = HID_FEATURE_REPORT, .request_type = HID_REQ_GET_REPORT, - .size = 10, + .size = MAX_BUF_SIZE, }; DECLARE_LIBBPF_OPTS(bpf_test_run_opts, tattrs, .ctx_in = &args, @@ -517,7 +517,7 @@ TEST_F(hid_bpf, test_hid_filter_raw_request_call) const struct test_program progs[] = { { .name = "hid_test_filter_raw_request" }, }; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err; LOAD_PROGRAMS(progs); @@ -570,7 +570,7 @@ TEST_F(hid_bpf, test_hid_change_raw_request_call) const struct test_program progs[] = { { .name = "hid_test_hidraw_raw_request" }, }; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err; LOAD_PROGRAMS(progs); @@ -596,7 +596,7 @@ TEST_F(hid_bpf, test_hid_infinite_loop_raw_request_call) const struct test_program progs[] = { { .name = "hid_test_infinite_loop_raw_request" }, }; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err; LOAD_PROGRAMS(progs); @@ -619,7 +619,7 @@ TEST_F(hid_bpf, test_hid_filter_output_report_call) const struct test_program progs[] = { { .name = "hid_test_filter_output_report" }, }; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err; LOAD_PROGRAMS(progs); @@ -672,7 +672,7 @@ TEST_F(hid_bpf, test_hid_change_output_report_call) const struct test_program progs[] = { { .name = "hid_test_hidraw_output_report" }, }; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err; LOAD_PROGRAMS(progs); @@ -696,7 +696,7 @@ TEST_F(hid_bpf, test_hid_infinite_loop_output_report_call) const struct test_program progs[] = { { .name = "hid_test_infinite_loop_output_report" }, }; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err; LOAD_PROGRAMS(progs); @@ -722,7 +722,7 @@ TEST_F(hid_bpf, test_multiply_events_wq) const struct test_program progs[] = { { .name = "hid_test_multiply_events_wq" }, }; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err; LOAD_PROGRAMS(progs); @@ -760,7 +760,7 @@ TEST_F(hid_bpf, test_multiply_events) const struct test_program progs[] = { { .name = "hid_test_multiply_events" }, }; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err; LOAD_PROGRAMS(progs); @@ -794,7 +794,7 @@ TEST_F(hid_bpf, test_hid_infinite_loop_input_report_call) const struct test_program progs[] = { { .name = "hid_test_infinite_loop_input_report" }, }; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err; LOAD_PROGRAMS(progs); @@ -848,7 +848,7 @@ TEST_F(hid_bpf, test_hid_attach_flags) .insert_head = 0, }, }; - __u8 buf[10] = {0}; + __u8 buf[MAX_BUF_SIZE] = {0}; int err; LOAD_PROGRAMS(progs); diff --git a/tools/testing/selftests/hid/hid_common.h b/tools/testing/selftests/hid/hid_common.h index e3b267446fa0..4567336f131d 100644 --- a/tools/testing/selftests/hid/hid_common.h +++ b/tools/testing/selftests/hid/hid_common.h @@ -13,6 +13,7 @@ #include <linux/uhid.h> #define SHOW_UHID_DEBUG 0 +#define MAX_BUF_SIZE 10 #define min(a, b) \ ({ __typeof__(a) _a = (a); \ @@ -110,7 +111,7 @@ static pthread_cond_t uhid_started = PTHREAD_COND_INITIALIZER; static pthread_mutex_t uhid_output_mtx = PTHREAD_MUTEX_INITIALIZER; static pthread_cond_t uhid_output_cond = PTHREAD_COND_INITIALIZER; -static unsigned char output_report[10]; +static unsigned char output_report[MAX_BUF_SIZE]; /* no need to protect uhid_stopped, only one thread accesses it */ static bool uhid_stopped; -- 2.55.0

