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nl80211: Add debug prints on nl_recvmsgs() failure

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These libnl calls could potentially fail and it is useful to know if
that has happened.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2013-10-26 16:13:34 +03:00
parent 10b8592183
commit 34068ac3b1
1 changed files with 20 additions and 4 deletions
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24
src/drivers/driver_nl80211.c
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@ -593,8 +593,14 @@ static int send_and_recv(struct nl80211_global *global,
nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM,
valid_handler, valid_data);
while (err > 0)
nl_recvmsgs(nl_handle, cb);
while (err > 0) {
int res = nl_recvmsgs(nl_handle, cb);
if (res) {
wpa_printf(MSG_INFO,
"nl80211: %s->nl_recvmsgs failed: %d",
__func__, res);
}
}
out:
nl_cb_put(cb);
nlmsg_free(msg);
@ -844,10 +850,15 @@ nla_put_failure:
static void nl80211_recv_beacons(int sock, void *eloop_ctx, void *handle)
{
struct nl80211_wiphy_data *w = eloop_ctx;
int res;
wpa_printf(MSG_EXCESSIVE, "nl80211: Beacon event message available");
nl_recvmsgs(handle, w->nl_cb);
res = nl_recvmsgs(handle, w->nl_cb);
if (res) {
wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
__func__, res);
}
}
@ -2870,10 +2881,15 @@ static void wpa_driver_nl80211_event_receive(int sock, void *eloop_ctx,
void *handle)
{
struct nl_cb *cb = eloop_ctx;
int res;
wpa_printf(MSG_MSGDUMP, "nl80211: Event message available");
nl_recvmsgs(handle, cb);
res = nl_recvmsgs(handle, cb);
if (res) {
wpa_printf(MSG_INFO, "nl80211: %s->nl_recvmsgs failed: %d",
__func__, res);
}
}