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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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