When nl_recvmsgs() fails, it doesn't return a kernel/errno style error codes. It is instead using negative NLE_* return codes. Since the rest of the batctl code uses kernel style codes, just handle it as EIO error.
Signed-off-by: Sven Eckelmann <[email protected]> --- functions.c | 2 +- netlink.c | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/functions.c b/functions.c index 213ba83..ba5ef83 100644 --- a/functions.c +++ b/functions.c @@ -565,7 +565,7 @@ int netlink_simple_request(struct nl_msg *msg) err = 0; ret = nl_recvmsgs(sock, cb); if (ret < 0) - err = ret; + err = -EIO; err_free_cb: nl_cb_put(cb); diff --git a/netlink.c b/netlink.c index 6e0d35a..fb6fdae 100644 --- a/netlink.c +++ b/netlink.c @@ -677,7 +677,8 @@ int netlink_query_common(struct state *state, ret = nl_recvmsgs(state->sock, cb); if (ret < 0) { - query_opts->err = ret; + if (query_opts->err == 0) + query_opts->err = -EIO; goto err_free_cb; } -- 2.47.3
