When hif_scatter_req_get() returns NULL to scat_req, no error return code of ath6kl_htc_rx_bundle() is assigned. To fix this bug, status is assigned with -EINVAL in this case. Reported-by: TOTE Robot <oslab@xxxxxxxxxxxxxxx> Signed-off-by: Jia-Ju Bai <baijiaju1990@xxxxxxxxx> --- drivers/net/wireless/ath/ath6kl/htc_mbox.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath6kl/htc_mbox.c b/drivers/net/wireless/ath/ath6kl/htc_mbox.c index 998947ef63b6..3f8857d19a0c 100644 --- a/drivers/net/wireless/ath/ath6kl/htc_mbox.c +++ b/drivers/net/wireless/ath/ath6kl/htc_mbox.c @@ -1944,8 +1944,10 @@ static int ath6kl_htc_rx_bundle(struct htc_target *target, scat_req = hif_scatter_req_get(target->dev->ar); - if (scat_req == NULL) + if (scat_req == NULL) { + status = -EINVAL; goto fail_rx_pkt; + } for (i = 0; i < n_scat_pkt; i++) { int pad_len; -- 2.17.1