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selftests/bpf: Add static to enable_all_controllers()

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Add static to enable_all_controllers() to get rid from annoying warning
during samples/bpf build:

samples/bpf/../../tools/testing/selftests/bpf/cgroup_helpers.c:44:5:
warning: no previous prototype for ‘enable_all_controllers’
[-Wmissing-prototypes]
 int enable_all_controllers(char *cgroup_path)

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20191002120404.26962-2-ivan.khoronzhuk@linaro.org
This commit is contained in:
Ivan Khoronzhuk 2019-10-02 15:04:03 +03:00 committed by Daniel Borkmann
parent 03bd4773d8
commit fb27dcd290
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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@ -41,7 +41,7 @@
*
* If successful, 0 is returned.
*/
int enable_all_controllers(char *cgroup_path)
static int enable_all_controllers(char *cgroup_path)
{
char path[PATH_MAX + 1];
char buf[PATH_MAX];