diff options
| author | Luciano Coelho <coelho@ti.com> | 2011-05-12 17:07:55 +0300 |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2011-05-13 00:06:33 +0300 |
| commit | 683c002447c12742f5151691083f68524f33b13a (patch) | |
| tree | 39e31fd84fbfd7d41af7358f817d376fa4149545 /drivers | |
| parent | d3eff81de6048d8af8f95f52f0f06625980f2efb (diff) | |
| download | linux-stable-683c002447c12742f5151691083f68524f33b13a.tar.gz linux-stable-683c002447c12742f5151691083f68524f33b13a.tar.bz2 linux-stable-683c002447c12742f5151691083f68524f33b13a.zip | |
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/wl12xx/scan.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/scan.c b/drivers/net/wireless/wl12xx/scan.c index 668ff46a6824..f37e5a391976 100644 --- a/drivers/net/wireless/wl12xx/scan.c +++ b/drivers/net/wireless/wl12xx/scan.c @@ -505,6 +505,12 @@ int wl1271_scan_sched_scan_start(struct wl1271 *wl) wl1271_debug(DEBUG_CMD, "cmd periodic scan start"); + if (wl->bss_type != BSS_TYPE_STA_BSS) + return -EOPNOTSUPP; + + if (!test_bit(WL1271_FLAG_IDLE, &wl->flags)) + return -EBUSY; + start = kzalloc(sizeof(*start), GFP_KERNEL); if (!start) return -ENOMEM; |