Hi Bjorn, On 9 December 2017 at 01:34, Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> wrote: > >> diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c > [..] >> +static int wcn36xx_smd_hw_scan_ind(struct wcn36xx *wcn, void *buf, size_t len) >> +{ >> + struct wcn36xx_hal_scan_offload_ind *rsp = buf; >> + struct cfg80211_scan_info scan_info = {}; >> + >> + if (len != sizeof(*rsp)) { >> + wcn36xx_warn("Corrupted delete scan indication\n"); >> + return -EIO; >> + } >> + >> + wcn36xx_dbg(WCN36XX_DBG_HAL, "scan indication (type %x)", rsp->type); >> + >> + switch (rsp->type) { >> + case WCN36XX_HAL_SCAN_IND_FAILED: >> + scan_info.aborted = true; >> + case WCN36XX_HAL_SCAN_IND_COMPLETED: >> + mutex_lock(&wcn->scan_lock); > > Grabbing this mutex with DEBUG_ATOMIC_SLEEP causes issues, but that's > because the locking in ind_smd_work() is to excessive. Will reply with a > fix for this. Oops you're right, thanks for the patch. Regards, Loic