diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/debugfs_sta.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/debugfs_sta.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/net/wireless/ath/ath10k/debugfs_sta.c b/drivers/net/wireless/ath/ath10k/debugfs_sta.c index 8f688f136c225..a63c97e2c50c5 100644 --- a/drivers/net/wireless/ath/ath10k/debugfs_sta.c +++ b/drivers/net/wireless/ath/ath10k/debugfs_sta.c @@ -254,12 +254,12 @@ static ssize_t ath10k_dbg_sta_write_addba(struct file *file, struct ath10k *ar = arsta->arvif->ar; u32 tid, buf_size; int ret; - char buf[64]; + char buf[64] = {0}; - 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, "%u %u", &tid, &buf_size); if (ret != 2) @@ -305,12 +305,12 @@ static ssize_t ath10k_dbg_sta_write_addba_resp(struct file *file, struct ath10k *ar = arsta->arvif->ar; u32 tid, status; int ret; - char buf[64]; - - simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); + char buf[64] = {0}; - /* 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, "%u %u", &tid, &status); if (ret != 2) @@ -355,12 +355,12 @@ static ssize_t ath10k_dbg_sta_write_delba(struct file *file, struct ath10k *ar = arsta->arvif->ar; u32 tid, initiator, reason; int ret; - char buf[64]; - - simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count); + char buf[64] = {0}; - /* 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, "%u %u %u", &tid, &initiator, &reason); if (ret != 3) |