diff options
Diffstat (limited to 'drivers/net/wireless/libertas/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/libertas/debugfs.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c index 893a55ca344a..8a7e9319c9e5 100644 --- a/drivers/net/wireless/libertas/debugfs.c +++ b/drivers/net/wireless/libertas/debugfs.c @@ -117,6 +117,11 @@ static ssize_t lbs_sleepparams_write(struct file *file, if (!buf) return -ENOMEM; + if (!lbs_is_cmd_allowed(priv)) { + ret = -EBUSY; + goto out_unlock; + } + buf_size = min(count, len - 1); if (copy_from_user(buf, user_buf, buf_size)) { ret = -EFAULT; @@ -157,6 +162,11 @@ static ssize_t lbs_sleepparams_read(struct file *file, char __user *userbuf, if (!buf) return -ENOMEM; + if (!lbs_is_cmd_allowed(priv)) { + ret = -EBUSY; + goto out_unlock; + } + ret = lbs_cmd_802_11_sleep_params(priv, CMD_ACT_GET, &sp); if (ret) goto out_unlock; @@ -223,6 +233,9 @@ static ssize_t lbs_threshold_read(uint16_t tlv_type, uint16_t event_mask, u8 freq; int events = 0; + if (!lbs_is_cmd_allowed(priv)) + return -EBUSY; + buf = (char *)get_zeroed_page(GFP_KERNEL); if (!buf) return -ENOMEM; @@ -275,6 +288,9 @@ static ssize_t lbs_threshold_write(uint16_t tlv_type, uint16_t event_mask, char *buf; int ret; + if (!lbs_is_cmd_allowed(priv)) + return -EBUSY; + buf = (char *)get_zeroed_page(GFP_KERNEL); if (!buf) return -ENOMEM; @@ -444,6 +460,11 @@ static ssize_t lbs_rdmac_read(struct file *file, char __user *userbuf, if (!buf) return -ENOMEM; + if (!lbs_is_cmd_allowed(priv)) { + free_page(addr); + return -EBUSY; + } + offval.offset = priv->mac_offset; offval.value = 0; @@ -496,6 +517,11 @@ static ssize_t lbs_wrmac_write(struct file *file, if (!buf) return -ENOMEM; + if (!lbs_is_cmd_allowed(priv)) { + res = -EBUSY; + goto out_unlock; + } + buf_size = min(count, len - 1); if (copy_from_user(buf, userbuf, buf_size)) { res = -EFAULT; @@ -532,6 +558,11 @@ static ssize_t lbs_rdbbp_read(struct file *file, char __user *userbuf, if (!buf) return -ENOMEM; + if (!lbs_is_cmd_allowed(priv)) { + free_page(addr); + return -EBUSY; + } + offval.offset = priv->bbp_offset; offval.value = 0; @@ -585,6 +616,11 @@ static ssize_t lbs_wrbbp_write(struct file *file, if (!buf) return -ENOMEM; + if (!lbs_is_cmd_allowed(priv)) { + res = -EBUSY; + goto out_unlock; + } + buf_size = min(count, len - 1); if (copy_from_user(buf, userbuf, buf_size)) { res = -EFAULT; @@ -621,6 +657,11 @@ static ssize_t lbs_rdrf_read(struct file *file, char __user *userbuf, if (!buf) return -ENOMEM; + if (!lbs_is_cmd_allowed(priv)) { + free_page(addr); + return -EBUSY; + } + offval.offset = priv->rf_offset; offval.value = 0; @@ -674,6 +715,11 @@ static ssize_t lbs_wrrf_write(struct file *file, if (!buf) return -ENOMEM; + if (!lbs_is_cmd_allowed(priv)) { + res = -EBUSY; + goto out_unlock; + } + buf_size = min(count, len - 1); if (copy_from_user(buf, userbuf, buf_size)) { res = -EFAULT; |