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bgscan: Do not initialize bgscan if disabled by user

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Do not initialize bgscan if the user explicitly set bgscan to an empty
string. Without this patch wpa_supplicant tries to initialize bgscan to
the first option if the string is empty.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
This commit is contained in:
David Spinadel 2014-03-03 14:53:17 +02:00 committed by Jouni Malinen
parent adef89480d
commit 268043d55f
2 changed files with 3 additions and 1 deletions
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2
wpa_supplicant/wpa_supplicant.c
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@ -573,7 +573,7 @@ static void wpa_supplicant_start_bgscan(struct wpa_supplicant *wpa_s)
name = wpa_s->current_ssid->bgscan; name = wpa_s->current_ssid->bgscan;
else else
name = wpa_s->conf->bgscan; name = wpa_s->conf->bgscan;
if (name == NULL) if (name == NULL || name[0] == '\0')
return; return;
if (wpas_driver_bss_selection(wpa_s)) if (wpas_driver_bss_selection(wpa_s))
return; return;

2
wpa_supplicant/wpa_supplicant.conf
View file

@ -603,6 +603,8 @@ fast_reauth=1
# bgscan="learn:<short bgscan interval in seconds>:<signal strength threshold>: # bgscan="learn:<short bgscan interval in seconds>:<signal strength threshold>:
# <long interval>[:<database file name>]" # <long interval>[:<database file name>]"
# bgscan="learn:30:-45:300:/etc/wpa_supplicant/network1.bgscan" # bgscan="learn:30:-45:300:/etc/wpa_supplicant/network1.bgscan"
# Explicitly disable bgscan by setting
# bgscan=""
# #
# This option can also be set outside of all network blocks for the bgscan # This option can also be set outside of all network blocks for the bgscan
# parameter to apply for all the networks that have no specific bgscan # parameter to apply for all the networks that have no specific bgscan