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@felipetonello.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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@ -13,7 +13,7 @@
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#include "u_f.h"
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#include "u_f.h"
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struct usb_request *alloc_ep_req(struct usb_ep *ep, int len, int default_len)
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struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t len, int default_len)
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{
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{
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struct usb_request *req;
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struct usb_request *req;
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@ -48,7 +48,7 @@ struct usb_ep;
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struct usb_request;
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struct usb_request;
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/* Requests allocated via alloc_ep_req() must be freed by free_ep_req(). */
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/* Requests allocated via alloc_ep_req() must be freed by free_ep_req(). */
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struct usb_request *alloc_ep_req(struct usb_ep *ep, int len, int default_len);
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struct usb_request *alloc_ep_req(struct usb_ep *ep, size_t len, int default_len);
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static inline void free_ep_req(struct usb_ep *ep, struct usb_request *req)
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static inline void free_ep_req(struct usb_ep *ep, struct usb_request *req)
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{
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{
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kfree(req->buf);
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kfree(req->buf);
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