mwifiex: reset skb length before inserting to free queue

After handling command response, cmd skb is inserted into command
free queue(which keeps track of availabile skbs) for reuse purpose.
Skb length is not getting reset to zero here. This patch takes care
of it.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index b5352afb8714..d12e25d0c880 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -90,6 +90,9 @@ mwifiex_clean_cmd_node(struct mwifiex_adapter *adapter,
         cmd_node->data_buf = NULL;
         cmd_node->wait_q_enabled = false;
 
+        if (cmd_node->cmd_skb)
+                skb_trim(cmd_node->cmd_skb, 0);
+
         if (cmd_node->resp_skb) {
                 dev_kfree_skb_any(cmd_node->resp_skb);
                 cmd_node->resp_skb = NULL;