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Date: Mon, 8 Aug 2016 21:30:05 +0100
From: "Felipe F. Tonello" <eu@...ipetonello.com>
To: linux-usb@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Felipe Balbi <balbi@...nel.org>,
Michal Nazarewicz <mina86@...a86.com>
Subject: [PATCH v4 02/10] usb: gadget: change len to size_t on alloc_ep_req()
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@...ipetonello.com>
---
drivers/usb/gadget/u_f.c | 2 +-
drivers/usb/gadget/u_f.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/u_f.c b/drivers/usb/gadget/u_f.c
index 4bc7eea8bfc8..6811761fec64 100644
--- 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;
diff --git a/drivers/usb/gadget/u_f.h b/drivers/usb/gadget/u_f.h
index 4247cc098a89..21b75710c4a4 100644
--- 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);
--
2.9.2
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