On 11/10/2015 06:52 PM, Felipe F. Tonello wrote:
> This function is shared between gadget functions, so this avoid unnecessary
> duplicated code and potentially avoid memory leaks.
>
> Signed-off-by: Felipe F. Tonello <e...@felipetonello.com>
Reviewed-by: Robert Baldyga <r.bald...@samsung.com>
> ---
> drivers/usb/gadget/function/f_midi.c | 6 ------
> drivers/usb/gadget/function/f_sourcesink.c | 6 ------
> drivers/usb/gadget/function/g_zero.h | 1 -
> drivers/usb/gadget/u_f.c | 1 -
> drivers/usb/gadget/u_f.h | 10 ++++++++--
> 5 files changed, 8 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/usb/gadget/function/f_midi.c
> b/drivers/usb/gadget/function/f_midi.c
> index 488111d..f36db2d 100644
> --- a/drivers/usb/gadget/function/f_midi.c
> +++ b/drivers/usb/gadget/function/f_midi.c
> @@ -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
> };
> diff --git a/drivers/usb/gadget/function/f_sourcesink.c
> b/drivers/usb/gadget/function/f_sourcesink.c
> index d7646d3..74f95b1 100644
> --- a/drivers/usb/gadget/function/f_sourcesink.c
> +++ b/drivers/usb/gadget/function/f_sourcesink.c
> @@ -303,12 +303,6 @@ 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;
> diff --git a/drivers/usb/gadget/function/g_zero.h
> b/drivers/usb/gadget/function/g_zero.h
> index 15f1809..5ed90b4 100644
> --- a/drivers/usb/gadget/function/g_zero.h
> +++ b/drivers/usb/gadget/function/g_zero.h
> @@ -59,7 +59,6 @@ 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);
> diff --git a/drivers/usb/gadget/u_f.c b/drivers/usb/gadget/u_f.c
> index c6276f0..4bc7eea 100644
> --- a/drivers/usb/gadget/u_f.c
> +++ b/drivers/usb/gadget/u_f.c
> @@ -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)
> diff --git a/drivers/usb/gadget/u_f.h b/drivers/usb/gadget/u_f.h
> index 1d5f0eb..4247cc0 100644
> --- a/drivers/usb/gadget/u_f.h
> +++ b/drivers/usb/gadget/u_f.h
> @@ -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__ */
> -
> -
>
--
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