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OpenCloudOS-Kernel
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usb: gadget: define free_ep_req as universal function 

This function is shared between gadget functions, so this avoid unnecessary
duplicated code and potentially avoid memory leaks.

Reviewed-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Felipe F. Tonello <eu@felipetonello.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe F. Tonello 2015-11-10 17:52:05 +00:00 committed by Felipe Balbi
parent bc1d3cdc9c
commit 079fe5a6da
5 changed files with 8 additions and 16 deletions
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6
drivers/usb/gadget/function/f_midi.c
View File

@ -201,12 +201,6 @@ static inline struct usb_request *midi_alloc_ep_req(struct usb_ep *ep,
return alloc_ep_req(ep, length, length);
}
static void free_ep_req(struct usb_ep *ep, struct usb_request *req)
{
kfree(req->buf);
usb_ep_free_request(ep, req);
}
static const uint8_t f_midi_cin_length[] = {
0, 0, 2, 3, 3, 1, 2, 3, 3, 3, 3, 3, 2, 2, 3, 1
};

6
drivers/usb/gadget/function/f_sourcesink.c
View File

@ -298,12 +298,6 @@ static inline struct usb_request *ss_alloc_ep_req(struct usb_ep *ep, int len)
return alloc_ep_req(ep, len, ss->buflen);
}
void free_ep_req(struct usb_ep *ep, struct usb_request *req)
{
kfree(req->buf);
usb_ep_free_request(ep, req);
}
static void disable_ep(struct usb_composite_dev *cdev, struct usb_ep *ep)
{
int value;

1
drivers/usb/gadget/function/g_zero.h
View File

@ -65,7 +65,6 @@ void lb_modexit(void);
int lb_modinit(void);
/* common utilities */
void free_ep_req(struct usb_ep *ep, struct usb_request *req);
void disable_endpoints(struct usb_composite_dev *cdev,
struct usb_ep *in, struct usb_ep *out,
struct usb_ep *iso_in, struct usb_ep *iso_out);

1
drivers/usb/gadget/u_f.c
View File

@ -11,7 +11,6 @@
* published by the Free Software Foundation.
*/
#include <linux/usb/gadget.h>
#include "u_f.h"
struct usb_request *alloc_ep_req(struct usb_ep *ep, int len, int default_len)

10
drivers/usb/gadget/u_f.h
View File

@ -16,6 +16,8 @@
#ifndef __U_F_H__
#define __U_F_H__
#include <linux/usb/gadget.h>
/* Variable Length Array Macros **********************************************/
#define vla_group(groupname) size_t groupname##__next = 0
#define vla_group_size(groupname) groupname##__next
@ -45,8 +47,12 @@
struct usb_ep;
struct usb_request;
/* Requests allocated via alloc_ep_req() must be freed by free_ep_req(). */
struct usb_request *alloc_ep_req(struct usb_ep *ep, int len, int default_len);
static inline void free_ep_req(struct usb_ep *ep, struct usb_request *req)
{
kfree(req->buf);
usb_ep_free_request(ep, req);
}
#endif /* __U_F_H__ */