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nl80211: back out early when receiving FAIL-BUSY reply

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The wpa_supplicant control socket might reply with "FAIL-BUSY" when
attempting to start a scan while another scanning process is already
running, back out early in this case.

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
This commit is contained in:
Jo-Philipp Wich 2018-04-26 17:12:16 +02:00
parent 77c32f0eb6
commit 2a82f87ac9
1 changed files with 6 additions and 0 deletions
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6
iwinfo_nl80211.c
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@ -2223,6 +2223,12 @@ static int nl80211_get_scanlist_wpactl(const char *ifname, char *buf, int *len)
/* is another unrelated event, retry */
tries--;
}
/* got a failure reply */
else if (!strcmp(reply, "FAIL-BUSY\n"))
{
break;
}
}
/* receive and parse scan results if the wait above didn't time out */