Re: [PATCH] selftests/bpf: Fix test_progs compilation failure in 32-bit arch

From: Yonghong Song
Date: Tue Nov 08 2022 - 01:39:12 EST




On 11/7/22 5:58 PM, Yang Jihong wrote:
test_progs fails to be compiled in the 32-bit arch, log is as follows:

test_progs.c:1013:52: error: format '%ld' expects argument of type 'long int', but argument 3 has type 'size_t' {aka 'unsigned int'} [-Werror=format=]
1013 | sprintf(buf, "MSG_TEST_LOG (cnt: %ld, last: %d)",
| ~~^
| |
| long int
| %d
1014 | strlen(msg->test_log.log_buf),
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| |
| size_t {aka unsigned int}

Fix it.

Fixes: 91b2c0afd00c ("selftests/bpf: Add parallelism to test_progs")
Signed-off-by: Yang Jihong <yangjihong1@xxxxxxxxxx>

Acked-by: Yonghong Song <yhs@xxxxxx>