shaba/systemd
1
0
Fork 0
mirror of https://github.com/systemd/systemd.git synced 2025-01-25 10:04:04 +03:00
Code

bpf: adjust comment about not calling sym_bpf_link__destroy

Browse Source
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2022-01-09 19:53:22 +01:00 committed by Julia Kartseva
parent f409aa5c63
commit d179b8d368
1 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
src/shared/bpf-link.c
View File

@ -32,12 +32,12 @@ int bpf_serialize_link(FILE *f, FDSet *fds, const char *key, struct bpf_link *li
}
struct bpf_link *bpf_link_free(struct bpf_link *link) {
/* Avoid a useless dlopen() if link == NULL */
if (!link)
return NULL;
(void) sym_bpf_link__destroy(link);
/* If libbpf wasn't dlopen()ed, sym_bpf_link__destroy might be unresolved (NULL), so let's not try to
* call it if link is NULL. link might also be a non-null "error pointer", but such a value can only
* originate from a call to libbpf, but that means that libbpf is available, and we can let
* bpf_link__destroy() handle it. */
if (link)
(void) sym_bpf_link__destroy(link);
return NULL;
}