forked from Minki/linux
wl12xx: prevent sched_scan when not idle or not in station mode
The current firmware only supports scheduled scan in station mode and when idle. To prevent the firmware from crashing, return -EOPNOTSUPP when sched_scan start is called in an invalid state. Signed-off-by: Luciano Coelho <coelho@ti.com>
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@ -505,6 +505,12 @@ int wl1271_scan_sched_scan_start(struct wl1271 *wl)
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wl1271_debug(DEBUG_CMD, "cmd periodic scan start");
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if (wl->bss_type != BSS_TYPE_STA_BSS)
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return -EOPNOTSUPP;
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if (!test_bit(WL1271_FLAG_IDLE, &wl->flags))
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return -EBUSY;
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start = kzalloc(sizeof(*start), GFP_KERNEL);
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if (!start)
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return -ENOMEM;
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