[U-Boot] [PATCH] usb: gadget: f_thor: free the allocated out request buffer

[Michal Simek]

From: Siva Durga Prasad Paladugu <siva.durga.paladugu at xilinx.com>

Fix the memory leak by freeing the allocated out request buffer

Signed-off-by: Siva Durga Prasad Paladugu <sivadur at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---

 drivers/usb/gadget/f_thor.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/usb/gadget/f_thor.c b/drivers/usb/gadget/f_thor.c
index a60e9487e774..75b72902c9d5 100644
--- a/drivers/usb/gadget/f_thor.c
+++ b/drivers/usb/gadget/f_thor.c
@@ -51,6 +51,7 @@ DEFINE_CACHE_ALIGN_BUFFER(unsigned char, thor_rx_data_buf,
 DEFINE_CACHE_ALIGN_BUFFER(char, f_name, F_NAME_BUF_SIZE);
 static unsigned long long int thor_file_size;
 static int alt_setting_num;
+static void *out_req_buf;
 
 static void send_rsp(const struct rsp_box *rsp)
 {
@@ -891,6 +892,8 @@ static void thor_func_disable(struct usb_function *f)
 	}
 
 	if (dev->out_ep->driver_data) {
+		if (out_req_buf)
+			free(out_req_buf);
 		dev->out_req->buf = NULL;
 		usb_ep_free_request(dev->out_ep, dev->out_req);
 		usb_ep_disable(dev->out_ep);
@@ -947,6 +950,7 @@ static int thor_eps_setup(struct usb_function *f)
 	}
 
 	dev->out_req = req;
+	out_req_buf = dev->out_req->buf;
 	/* ACM control EP */
 	ep = dev->int_ep;
 	ep->driver_data = cdev;	/* claim */
-- 
1.9.1