diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/debug.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/debug.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index bac832ce1873..57d22cd976e5 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -987,13 +987,13 @@ static ssize_t ath10k_write_htt_max_amsdu_ampdu(struct file *file, { struct ath10k *ar = file->private_data; int res; - char buf[64]; + char buf[64] = {0}; unsigned int amsdu, ampdu; - simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); - - /* make sure that buf is null terminated */ - buf[sizeof(buf) - 1] = 0; + res = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, + user_buf, count); + if (res <= 0) + return res; res = sscanf(buf, "%u %u", &amsdu, &du); @@ -1043,14 +1043,14 @@ static ssize_t ath10k_write_fw_dbglog(struct file *file, { struct ath10k *ar = file->private_data; int ret; - char buf[96]; + char buf[96] = {0}; unsigned int log_level; u64 mask; - simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); - - /* make sure that buf is null terminated */ - buf[sizeof(buf) - 1] = 0; + ret = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, + user_buf, count); + if (ret <= 0) + return ret; ret = sscanf(buf, "%llx %u", &mask, &log_level); |