Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx> writes: > This per-station debugfs entry helps to send addba request in manual > mode. Need to pass two configuration parameters (tid, buffer size) > as input. > > To send addba, > > echo 1 32 >/sys/kernel/debug/ieee80211/phyX/netdev:wlanX/ > stations/XX:XX:XX:XX:XX:XX/addba > > Signed-off-by: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx> [...] > + ret = sscanf(buf, "%u %u", &tid, &buf_size); > + if (ret != 2) { > + ath10k_warn(ar, "ex: echo <tid> <buffer size> >addba\n"); > + return -EINVAL; > + } > + > + /* Valid TID values are 0 through 15 */ > + if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2) { > + ath10k_warn(ar, "Invalid TID %u\n", tid); > + return -EINVAL; > + } It's preferred that the driver doesn't print anything based on wrong user input, so I removed these two warning messages: --- a/drivers/net/wireless/ath/ath10k/debugfs_sta.c +++ b/drivers/net/wireless/ath/ath10k/debugfs_sta.c @@ -97,16 +97,12 @@ static ssize_t ath10k_dbg_sta_write_addba(struct file *file, buf[sizeof(buf) - 1] = '\0'; ret = sscanf(buf, "%u %u", &tid, &buf_size); - if (ret != 2) { - ath10k_warn(ar, "ex: echo <tid> <buffer size> >addba\n"); + if (ret != 2) return -EINVAL; - } /* Valid TID values are 0 through 15 */ - if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2) { - ath10k_warn(ar, "Invalid TID %u\n", tid); + if (tid > HTT_DATA_TX_EXT_TID_MGMT - 2) return -EINVAL; - } mutex_lock(&ar->conf_mutex); if ((ar->state != ATH10K_STATE_ON) || -- Kalle Valo -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html