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usb_hid: fix r31457

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descriptor_hid_get() updates its parameter so we need to take its address
the update is hidden inside PACK_DATA macro

Fix HID on the Fuze+
Reported by jlbiasini

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31466 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2011-12-29 21:49:29 +00:00
parent c17b0af89e
commit 6a6269ffd8
1 changed files with 4 additions and 4 deletions
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8
firmware/usbstack/usb_hid.c
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@ -554,14 +554,14 @@ static size_t descriptor_report_get(unsigned char *dest)
return (size_t)(report - dest);
}
static void descriptor_hid_get(unsigned char *dest)
static void descriptor_hid_get(unsigned char **dest)
{
hid_descriptor.wDescriptorLength0= descriptor_report_get(report_descriptor);
logf("hid: desc len %u", hid_descriptor.wDescriptorLength0);
buf_dump(report_descriptor, hid_descriptor.wDescriptorLength0, "desc");
PACK_DATA(dest, hid_descriptor);
PACK_DATA(*dest, hid_descriptor);
}
int usb_hid_get_config_descriptor(unsigned char *dest, int max_packet_size)
@ -577,7 +577,7 @@ int usb_hid_get_config_descriptor(unsigned char *dest, int max_packet_size)
PACK_DATA(dest, interface_descriptor);
/* HID descriptor */
descriptor_hid_get(dest);
descriptor_hid_get(&dest);
/* Endpoint descriptor */
endpoint_descriptor.wMaxPacketSize = 8;
@ -703,7 +703,7 @@ bool usb_hid_control_request(struct usb_ctrlrequest *req, unsigned char *dest)
switch (type)
{
case USB_DT_HID:
descriptor_hid_get(dest);
descriptor_hid_get(&dest);
break;
case USB_DT_REPORT:
len = descriptor_report_get(report_descriptor);