diff options
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/realtek/rtlwifi/debug.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/wireless/realtek/rtlwifi/debug.c b/drivers/net/wireless/realtek/rtlwifi/debug.c index 498994041bbc..474439fc2da1 100644 --- a/drivers/net/wireless/realtek/rtlwifi/debug.c +++ b/drivers/net/wireless/realtek/rtlwifi/debug.c @@ -370,8 +370,8 @@ static ssize_t rtl_debugfs_set_write_h2c(struct file *filp, tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count); - if (!buffer || copy_from_user(tmp, buffer, tmp_len)) - return count; + if (copy_from_user(tmp, buffer, tmp_len)) + return -EFAULT; tmp[tmp_len] = '\0'; @@ -381,8 +381,8 @@ static ssize_t rtl_debugfs_set_write_h2c(struct file *filp, &h2c_data[4], &h2c_data[5], &h2c_data[6], &h2c_data[7]); - if (h2c_len <= 0) - return count; + if (h2c_len == 0) + return -EINVAL; for (i = 0; i < h2c_len; i++) h2c_data_packed[i] = (u8)h2c_data[i]; |