diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2024-02-20 08:11:12 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-02-21 17:02:28 -0800 |
| commit | 5d78b73e851455d525a064f3b042b29fdc0c1a4a (patch) | |
| tree | 5d6678d660aa4a4b3d341cbf42692124e281e845 /tools/net/ynl/lib/ynl.c | |
| parent | e4fe082c38cd74a8fa384bc7542cf3edf1cb7318 (diff) | |
tools: ynl: don't leak mcast_groups on init error
Make sure to free the already-parsed mcast_groups if
we don't get an ack from the kernel when reading family info.
This is part of the ynl_sock_create() error path, so we won't
get a call to ynl_sock_destroy() to free them later.
Fixes: 86878f14d71a ("tools: ynl: user space helpers")
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Link: https://lore.kernel.org/r/20240220161112.2735195-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/net/ynl/lib/ynl.c')
| -rw-r--r-- | tools/net/ynl/lib/ynl.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/net/ynl/lib/ynl.c b/tools/net/ynl/lib/ynl.c index 9e41c8c0cc99..6e6d474c8366 100644 --- a/tools/net/ynl/lib/ynl.c +++ b/tools/net/ynl/lib/ynl.c @@ -588,7 +588,13 @@ static int ynl_sock_read_family(struct ynl_sock *ys, const char *family_name) return err; } - return ynl_recv_ack(ys, err); + err = ynl_recv_ack(ys, err); + if (err < 0) { + free(ys->mcast_groups); + return err; + } + + return 0; } struct ynl_sock * |