wifi: mwifiex: fix double free in mwifiex_send_rgpower_table()

The "hostcmd" is freed using cleanup.h, so calling kfree() will lead to
a double free.  Delete the kfree().

Fixes: 7b6f16a ("wifi: mwifiex: add rgpower table loading support")
Signed-off-by: Dan Carpenter <[email protected]>
Reviewed-by: Francesco Dolcini <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Johannes Berg <[email protected]>

Author: Dan Carpenter

drivers/net/wireless/marvell/mwifiex/sta_cmd.c

@@ -1521,10 +1521,8 @@ int mwifiex_send_rgpower_table(struct mwifiex_private *priv, const u8 *data,
 		return -ENOMEM;
 
 	_data = kmemdup(data, size, GFP_KERNEL);
-	if (!_data) {
-		kfree(hostcmd);
+	if (!_data)
 		return -ENOMEM;
-	}
 
 	pos = _data;
 	ptr = hostcmd->cmd;