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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: 86878f14d7
("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>
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@ -588,7 +588,13 @@ static int ynl_sock_read_family(struct ynl_sock *ys, const char *family_name)
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return err;
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}
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return ynl_recv_ack(ys, err);
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err = ynl_recv_ack(ys, err);
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if (err < 0) {
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free(ys->mcast_groups);
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return err;
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}
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return 0;
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}
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struct ynl_sock *
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