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netdev: print error if frame watch fails

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The frame watch API had no callback, so if there was a failure
it would silently continue.
This commit is contained in:
James Prestwood 2018-05-18 10:39:10 -07:00 committed by Denis Kenzior
parent 6db257b937
commit d54a8e56d3
1 changed files with 9 additions and 1 deletions
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10
src/netdev.c
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@ -3641,6 +3641,13 @@ static const struct watchlist_ops netdev_frame_watch_ops = {
.item_free = netdev_frame_watch_free,
};
static void netdev_frame_cb(struct l_genl_msg *msg, void *user_data)
{
if (l_genl_msg_get_error(msg) < 0)
l_error("Could not register frame watch type %04x: %i",
L_PTR_TO_UINT(user_data), l_genl_msg_get_error(msg));
}
uint32_t netdev_frame_watch_add(struct netdev *netdev, uint16_t frame_type,
const uint8_t *prefix, size_t prefix_len,
netdev_frame_watch_func_t handler,
@ -3673,7 +3680,8 @@ uint32_t netdev_frame_watch_add(struct netdev *netdev, uint16_t frame_type,
l_genl_msg_append_attr(msg, NL80211_ATTR_FRAME_MATCH,
prefix_len, prefix);
l_genl_family_send(nl80211, msg, NULL, NULL, NULL);
l_genl_family_send(nl80211, msg, netdev_frame_cb,
L_UINT_TO_PTR(frame_type), NULL);
return id;
}