selftests/bpf: Check stack_mprotect() return value

Browse source

If stack_mprotect() succeeds, errno is not changed. This can produce
misleading error messages, that show stale errno.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Link: https://lore.kernel.org/r/20230128000650.1516334-13-iii@linux.ibm.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>

...

This commit is contained in:

Ilya Leoshkevich 2023-01-28 01:06:31 +01:00 • committed by Alexei Starovoitov

parent 06cea99e68

commit 2934565f04

2 changed files with 6 additions and 3 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

6

tools/testing/selftests/bpf/prog_tests/bpf_cookie.c

View file

3

tools/testing/selftests/bpf/prog_tests/test_lsm.c

View file