wpa_supplicant: skip scan if there are no known ssids

Rinat Dobrokhotov <[email protected]>
Newsgroups gmane.linux.drivers.hostap
Message-ID <[email protected]> 
Hello,
I'm working with wpa_supplicant and noticed that if there are no known ssids, there will be error on the driver level (Qualcomm's WLAN Host Device Driver implementation in my case) like this:

kernel:  (0)[6474:wpa_supplicant] wlan: [E :HDD] __wlan_hdd_cfg80211_sched_scan_start: Network input is not correct 0 Max Network supported is 16

I've looked the source code of the wpa_supplicant and I think that it is possibly to skip scan request in the "scan.c/wpa_supplicant_req_sched_scan" function in the case when params.num_ssids is 0. What do you think about it? If it is a reasonable place to skip scan request within scanning process, I'll suggest a patch.

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Best regards,
Rinat Dobrokhotov
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