diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath11k/spectral.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath11k/spectral.c | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/drivers/net/wireless/ath/ath11k/spectral.c b/drivers/net/wireless/ath/ath11k/spectral.c index 705868198df4..0b7b7122cc05 100644 --- a/drivers/net/wireless/ath/ath11k/spectral.c +++ b/drivers/net/wireless/ath/ath11k/spectral.c @@ -382,16 +382,11 @@ static ssize_t ath11k_write_file_spectral_count(struct file *file, { struct ath11k *ar = file->private_data; unsigned long val; - 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, &val)) - return -EINVAL; + ret = kstrtoul_from_user(user_buf, count, 0, &val); + if (ret) + return ret; if (val > ATH11K_SPECTRAL_SCAN_COUNT_MAX) return -EINVAL; @@ -437,16 +432,11 @@ static ssize_t ath11k_write_file_spectral_bins(struct file *file, { struct ath11k *ar = file->private_data; unsigned long val; - 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, &val)) - return -EINVAL; + ret = kstrtoul_from_user(user_buf, count, 0, &val); + if (ret) + return ret; if (val < ATH11K_SPECTRAL_MIN_BINS || val > ar->ab->hw_params.spectral.max_fft_bins) @@ -598,7 +588,7 @@ int ath11k_spectral_process_fft(struct ath11k *ar, return -EINVAL; } - tlv = (struct spectral_tlv *)data; + tlv = data; tlv_len = FIELD_GET(SPECTRAL_TLV_HDR_LEN, __le32_to_cpu(tlv->header)); /* convert Dword into bytes */ tlv_len *= ATH11K_SPECTRAL_DWORD_SIZE; |