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path: root/drivers/net/wireless/quantenna/qtnfmac/commands.c
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Diffstat (limited to 'drivers/net/wireless/quantenna/qtnfmac/commands.c')
-rw-r--r--drivers/net/wireless/quantenna/qtnfmac/commands.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.c b/drivers/net/wireless/quantenna/qtnfmac/commands.c
index bfdc1ad30c13..659e7649fe22 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/commands.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/commands.c
@@ -84,7 +84,7 @@ static int qtnf_cmd_send_with_reply(struct qtnf_bus *bus,
size_t *var_resp_size)
{
struct qlink_cmd *cmd;
- const struct qlink_resp *resp;
+ struct qlink_resp *resp = NULL;
struct sk_buff *resp_skb = NULL;
u16 cmd_id;
u8 mac_id;
@@ -113,7 +113,12 @@ static int qtnf_cmd_send_with_reply(struct qtnf_bus *bus,
if (ret)
goto out;
- resp = (const struct qlink_resp *)resp_skb->data;
+ if (WARN_ON(!resp_skb || !resp_skb->data)) {
+ ret = -EFAULT;
+ goto out;
+ }
+
+ resp = (struct qlink_resp *)resp_skb->data;
ret = qtnf_cmd_check_reply_header(resp, cmd_id, mac_id, vif_id,
const_resp_size);
if (ret)
@@ -686,7 +691,7 @@ int qtnf_cmd_get_sta_info(struct qtnf_vif *vif, const u8 *sta_mac,
struct sk_buff *cmd_skb, *resp_skb = NULL;
struct qlink_cmd_get_sta_info *cmd;
const struct qlink_resp_get_sta_info *resp;
- size_t var_resp_len;
+ size_t var_resp_len = 0;
int ret = 0;
cmd_skb = qtnf_cmd_alloc_new_cmdskb(vif->mac->macid, vif->vifid,
@@ -1650,7 +1655,7 @@ int qtnf_cmd_get_mac_info(struct qtnf_wmac *mac)
{
struct sk_buff *cmd_skb, *resp_skb = NULL;
const struct qlink_resp_get_mac_info *resp;
- size_t var_data_len;
+ size_t var_data_len = 0;
int ret = 0;
cmd_skb = qtnf_cmd_alloc_new_cmdskb(mac->macid, QLINK_VIFID_RSVD,
@@ -1680,8 +1685,8 @@ int qtnf_cmd_get_hw_info(struct qtnf_bus *bus)
{
struct sk_buff *cmd_skb, *resp_skb = NULL;
const struct qlink_resp_get_hw_info *resp;
+ size_t info_len = 0;
int ret = 0;
- size_t info_len;
cmd_skb = qtnf_cmd_alloc_new_cmdskb(QLINK_MACID_RSVD, QLINK_VIFID_RSVD,
QLINK_CMD_GET_HW_INFO,
@@ -1709,9 +1714,9 @@ int qtnf_cmd_band_info_get(struct qtnf_wmac *mac,
struct ieee80211_supported_band *band)
{
struct sk_buff *cmd_skb, *resp_skb = NULL;
- size_t info_len;
struct qlink_cmd_band_info_get *cmd;
struct qlink_resp_band_info_get *resp;
+ size_t info_len = 0;
int ret = 0;
u8 qband;
@@ -1764,8 +1769,8 @@ out:
int qtnf_cmd_send_get_phy_params(struct qtnf_wmac *mac)
{
struct sk_buff *cmd_skb, *resp_skb = NULL;
- size_t response_size;
struct qlink_resp_phy_params *resp;
+ size_t response_size = 0;
int ret = 0;
cmd_skb = qtnf_cmd_alloc_new_cmdskb(mac->macid, 0,
@@ -2431,7 +2436,7 @@ int qtnf_cmd_get_chan_stats(struct qtnf_wmac *mac, u16 channel,
struct sk_buff *cmd_skb, *resp_skb = NULL;
struct qlink_cmd_get_chan_stats *cmd;
struct qlink_resp_get_chan_stats *resp;
- size_t var_data_len;
+ size_t var_data_len = 0;
int ret = 0;
cmd_skb = qtnf_cmd_alloc_new_cmdskb(mac->macid, QLINK_VIFID_RSVD,