diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/htc_drv_debug.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_debug.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c index b3ed65e5c4da..9437d69877cc 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c @@ -375,16 +375,11 @@ static ssize_t write_file_debug(struct file *file, const char __user *user_buf, struct ath9k_htc_priv *priv = file->private_data; struct ath_common *common = ath9k_hw_common(priv->ah); unsigned long mask; - char buf[32]; - ssize_t len; - - len = min(count, sizeof(buf) - 1); - if (copy_from_user(buf, user_buf, len)) - return -EFAULT; + ssize_t ret; - buf[len] = '\0'; - if (kstrtoul(buf, 0, &mask)) - return -EINVAL; + ret = kstrtoul_from_user(user_buf, count, 0, &mask); + if (ret) + return ret; common->debug_mask = mask; return count; @@ -428,7 +423,7 @@ void ath9k_htc_get_et_strings(struct ieee80211_hw *hw, u32 sset, u8 *data) { if (sset == ETH_SS_STATS) - memcpy(data, *ath9k_htc_gstrings_stats, + memcpy(data, ath9k_htc_gstrings_stats, sizeof(ath9k_htc_gstrings_stats)); } @@ -487,12 +482,10 @@ void ath9k_htc_deinit_debug(struct ath9k_htc_priv *priv) int ath9k_htc_init_debug(struct ath_hw *ah) { struct ath_common *common = ath9k_hw_common(ah); - struct ath9k_htc_priv *priv = (struct ath9k_htc_priv *) common->priv; + struct ath9k_htc_priv *priv = common->priv; priv->debug.debugfs_phy = debugfs_create_dir(KBUILD_MODNAME, priv->hw->wiphy->debugfsdir); - if (!priv->debug.debugfs_phy) - return -ENOMEM; ath9k_cmn_spectral_init_debug(&priv->spec_priv, priv->debug.debugfs_phy); |