In 'ath11k_mac_op_remain_on_channel()', add fallback default to handle an unknown scan state with -EINVAL. Compile tested only. Initially found by Linux Verification Center (linuxtesting.org) with SVACE (and reported as an attempt to use uninitialized variable). Suggested-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx> Signed-off-by: Dmitry Antipov <dmantipov@xxxxxxxxx> --- v2: prefer fallback branch over dummy initializer (Jeff Johnson) --- drivers/net/wireless/ath/ath11k/mac.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c index a6a37d67a50a..47d3d5fd0423 100644 --- a/drivers/net/wireless/ath/ath11k/mac.c +++ b/drivers/net/wireless/ath/ath11k/mac.c @@ -9224,6 +9224,11 @@ static int ath11k_mac_op_remain_on_channel(struct ieee80211_hw *hw, case ATH11K_SCAN_ABORTING: ret = -EBUSY; break; + default: + ath11k_warn(ar->ab, "%s: unexpected scan state: %d\n", + __func__, ar->scan.state); + ret = -EINVAL; + break; } spin_unlock_bh(&ar->data_lock); -- 2.44.0
