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selftests/bpf: eliminate warning of get_cgroup_id_from_path()

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The output goes like this if I make samples/bpf:
...warning: no previous prototype for ‘get_cgroup_id_from_path’...

Make this function static could solve the warning problem since
no one outside of the file calls it.

Signed-off-by: Jason Xing <kernelxing@tencent.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20240406144613.4434-1-kerneljasonxing@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
This commit is contained in:
Jason Xing 2024-04-06 22:46:13 +08:00 committed by Martin KaFai Lau
parent 50408d7abe
commit bb761fcb82
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/bpf/cgroup_helpers.c
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@ -429,7 +429,7 @@ int create_and_get_cgroup(const char *relative_path)
* which is an invalid cgroup id.
* If there is a failure, it prints the error to stderr.
*/
unsigned long long get_cgroup_id_from_path(const char *cgroup_workdir)
static unsigned long long get_cgroup_id_from_path(const char *cgroup_workdir)
{
int dirfd, err, flags, mount_id, fhsize;
union {