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    Subject[PATCH 3.18 43/93] usb: gadget: change len to size_t on alloc_ep_req()
    Date
    3.18-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Felipe F. Tonello <eu@felipetonello.com>

    commit 69bb99738b5c6d56d2b1a75db9cbb4d187453c1a upstream.

    Length of buffers should be of type size_t whenever possible. Altough
    recommended, this change has no real practical change, unless a driver has a
    uses a huge or negative buffer size - it might help find these bugs.

    Signed-off-by: Felipe F. Tonello <eu@felipetonello.com>
    Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/usb/gadget/u_f.c | 2 +-
    drivers/usb/gadget/u_f.h | 2 +-
    2 files changed, 2 insertions(+), 2 deletions(-)

    --- a/drivers/usb/gadget/u_f.c
    +++ b/drivers/usb/gadget/u_f.c
    @@ -13,7 +13,7 @@

    #include "u_f.h"

    -struct usb_request *alloc_ep_req(struct usb_ep *ep, int len, int default_len)
    +struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t len, int default_len)
    {
    struct usb_request *req;

    --- a/drivers/usb/gadget/u_f.h
    +++ b/drivers/usb/gadget/u_f.h
    @@ -48,7 +48,7 @@ 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);
    +struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t len, int default_len);
    static inline void free_ep_req(struct usb_ep *ep, struct usb_request *req)
    {
    kfree(req->buf);

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