[PATCH] USB: change wTotalLength field in struct usb_config_descriptor to be __le16
From: Greg KH
Date: Mon Dec 20 2004 - 20:20:45 EST
[added to my trees]
Another step in the quest to get all USB data structures to be native
endian.
Signed-off-by: Greg Kroah-Hartman <greg@xxxxxxxxx>
diff -Nru a/arch/mips/au1000/common/usbdev.c b/arch/mips/au1000/common/usbdev.c
--- a/arch/mips/au1000/common/usbdev.c 2004-12-20 16:16:27 -08:00
+++ b/arch/mips/au1000/common/usbdev.c 2004-12-20 16:16:27 -08:00
@@ -766,7 +766,7 @@
dev->conf_desc),
0);
} else {
- int len = dev->conf_desc->wTotalLength;
+ int len = le16_to_cpu(dev->conf_desc->wTotalLength);
dbg("sending whole config desc,"
" size=%d, our size=%d", desc_len, len);
desc_len = desc_len > len ? len : desc_len;
@@ -1407,7 +1407,7 @@
/*
* initialize the full config descriptor
*/
- usbdev.full_conf_desc = fcd = kmalloc(config_desc->wTotalLength,
+ usbdev.full_conf_desc = fcd = kmalloc(le16_to_cpu(config_desc->wTotalLength),
ALLOC_FLAGS);
if (!fcd) {
err("failed to alloc full config descriptor");
diff -Nru a/drivers/usb/class/audio.c b/drivers/usb/class/audio.c
--- a/drivers/usb/class/audio.c 2004-12-20 16:16:27 -08:00
+++ b/drivers/usb/class/audio.c 2004-12-20 16:16:27 -08:00
@@ -3801,7 +3801,7 @@
* find which configuration number is active
*/
buffer = dev->rawdescriptors[dev->actconfig - dev->config];
- buflen = dev->actconfig->desc.wTotalLength;
+ buflen = le16_to_cpu(dev->actconfig->desc.wTotalLength);
s = usb_audio_parsecontrol(dev, buffer, buflen, intf->altsetting->desc.bInterfaceNumber);
if (s) {
usb_set_intfdata (intf, s);
diff -Nru a/drivers/usb/class/usb-midi.c b/drivers/usb/class/usb-midi.c
--- a/drivers/usb/class/usb-midi.c 2004-12-20 16:16:27 -08:00
+++ b/drivers/usb/class/usb-midi.c 2004-12-20 16:16:27 -08:00
@@ -1804,7 +1804,7 @@
i = d->actconfig - d->config;
buffer = d->rawdescriptors[i];
- bufSize = d->actconfig->desc.wTotalLength;
+ bufSize = le16_to_cpu(d->actconfig->desc.wTotalLength);
u = parse_descriptor( d, buffer, bufSize, ifnum, alts, 1);
if ( u == NULL ) {
@@ -1892,7 +1892,7 @@
i = d->actconfig - d->config;
buffer = d->rawdescriptors[i];
- bufSize = d->actconfig->desc.wTotalLength;
+ bufSize = le16_to_cpu(d->actconfig->desc.wTotalLength);
u = parse_descriptor( d, buffer, bufSize, ifnum, alts, 0);
if ( u == NULL ) {
diff -Nru a/drivers/usb/core/config.c b/drivers/usb/core/config.c
--- a/drivers/usb/core/config.c 2004-12-20 16:16:27 -08:00
+++ b/drivers/usb/core/config.c 2004-12-20 16:16:27 -08:00
@@ -320,7 +320,7 @@
} /* for ((buffer2 = buffer, size2 = size); ...) */
size = buffer2 - buffer;
- config->desc.wTotalLength = buffer2 - buffer0;
+ config->desc.wTotalLength = cpu_to_le16(buffer2 - buffer0);
if (n != nintf)
dev_warn(ddev, "config %d has %d interface%s, different from "
diff -Nru a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
--- a/drivers/usb/core/devio.c 2004-12-20 16:16:27 -08:00
+++ b/drivers/usb/core/devio.c 2004-12-20 16:16:27 -08:00
@@ -148,7 +148,7 @@
/* The descriptor may claim to be longer than it
* really is. Here is the actual allocated length. */
unsigned alloclen =
- dev->config[i].desc.wTotalLength;
+ le16_to_cpu(dev->config[i].desc.wTotalLength);
len = length - (*ppos - pos);
if (len > nbytes)
diff -Nru a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
--- a/drivers/usb/core/hcd.c 2004-12-20 16:16:27 -08:00
+++ b/drivers/usb/core/hcd.c 2004-12-20 16:16:27 -08:00
@@ -170,7 +170,7 @@
/* one configuration */
0x09, /* __u8 bLength; */
0x02, /* __u8 bDescriptorType; Configuration */
- 0x19, 0x00, /* __u16 wTotalLength; */
+ 0x19, 0x00, /* __le16 wTotalLength; */
0x01, /* __u8 bNumInterfaces; (1) */
0x01, /* __u8 bConfigurationValue; */
0x00, /* __u8 iConfiguration; */
@@ -217,7 +217,7 @@
/* one configuration */
0x09, /* __u8 bLength; */
0x02, /* __u8 bDescriptorType; Configuration */
- 0x19, 0x00, /* __u16 wTotalLength; */
+ 0x19, 0x00, /* __le16 wTotalLength; */
0x01, /* __u8 bNumInterfaces; (1) */
0x01, /* __u8 bConfigurationValue; */
0x00, /* __u8 iConfiguration; */
diff -Nru a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
--- a/drivers/usb/core/hub.c 2004-12-20 16:16:27 -08:00
+++ b/drivers/usb/core/hub.c 2004-12-20 16:16:27 -08:00
@@ -1189,7 +1189,7 @@
/* descriptor may appear anywhere in config */
if (__usb_get_extra_descriptor (udev->rawdescriptors[0],
- udev->config[0].desc.wTotalLength,
+ le16_to_cpu(udev->config[0].desc.wTotalLength),
USB_DT_OTG, (void **) &desc) == 0) {
if (desc->bmAttributes & USB_OTG_HNP) {
unsigned port1;
@@ -2828,8 +2828,8 @@
struct usb_config_descriptor *buf;
for (index = 0; index < udev->descriptor.bNumConfigurations; index++) {
- if (len < udev->config[index].desc.wTotalLength)
- len = udev->config[index].desc.wTotalLength;
+ if (len < le16_to_cpu(udev->config[index].desc.wTotalLength))
+ len = le16_to_cpu(udev->config[index].desc.wTotalLength);
}
buf = kmalloc (len, SLAB_KERNEL);
if (buf == 0) {
@@ -2839,7 +2839,7 @@
}
for (index = 0; index < udev->descriptor.bNumConfigurations; index++) {
int length;
- int old_length = udev->config[index].desc.wTotalLength;
+ int old_length = le16_to_cpu(udev->config[index].desc.wTotalLength);
length = usb_get_descriptor(udev, USB_DT_CONFIG, index, buf,
old_length);
diff -Nru a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
--- a/drivers/usb/core/inode.c 2004-12-20 16:16:27 -08:00
+++ b/drivers/usb/core/inode.c 2004-12-20 16:16:27 -08:00
@@ -695,7 +695,7 @@
for (i = 0; i < dev->descriptor.bNumConfigurations; ++i) {
struct usb_config_descriptor *config =
(struct usb_config_descriptor *)dev->rawdescriptors[i];
- i_size += le16_to_cpu ((__force __le16)config->wTotalLength);
+ i_size += le16_to_cpu(config->wTotalLength);
}
if (dev->usbfs_dentry->d_inode)
dev->usbfs_dentry->d_inode->i_size = i_size;
diff -Nru a/drivers/usb/host/hc_crisv10.c b/drivers/usb/host/hc_crisv10.c
--- a/drivers/usb/host/hc_crisv10.c 2004-12-20 16:16:27 -08:00
+++ b/drivers/usb/host/hc_crisv10.c 2004-12-20 16:16:27 -08:00
@@ -136,7 +136,7 @@
{
0x09, /* __u8 bLength; */
0x02, /* __u8 bDescriptorType; Configuration */
- 0x19, /* __u16 wTotalLength; */
+ 0x19, /* __le16 wTotalLength; */
0x00,
0x01, /* __u8 bNumInterfaces; */
0x01, /* __u8 bConfigurationValue; */
diff -Nru a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
--- a/drivers/usb/misc/usbtest.c 2004-12-20 16:16:27 -08:00
+++ b/drivers/usb/misc/usbtest.c 2004-12-20 16:16:27 -08:00
@@ -527,10 +527,9 @@
return 0;
}
- le16_to_cpus (&config->wTotalLength);
- if (config->wTotalLength == len) /* read it all */
+ if (le16_to_cpu(config->wTotalLength) == len) /* read it all */
return 1;
- if (config->wTotalLength >= TBUF_SIZE) /* max partial read */
+ if (le16_to_cpu(config->wTotalLength) >= TBUF_SIZE) /* max partial read */
return 1;
dbg ("bogus config descriptor read size");
return 0;
diff -Nru a/include/linux/usb_ch9.h b/include/linux/usb_ch9.h
--- a/include/linux/usb_ch9.h 2004-12-20 16:16:27 -08:00
+++ b/include/linux/usb_ch9.h 2004-12-20 16:16:27 -08:00
@@ -208,7 +208,7 @@
__u8 bLength;
__u8 bDescriptorType;
- __u16 wTotalLength;
+ __le16 wTotalLength;
__u8 bNumInterfaces;
__u8 bConfigurationValue;
__u8 iConfiguration;
diff -Nru a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
--- a/sound/usb/usbaudio.c 2004-12-20 16:16:27 -08:00
+++ b/sound/usb/usbaudio.c 2004-12-20 16:16:27 -08:00
@@ -2933,8 +2933,8 @@
struct usb_host_config *config = dev->actconfig;
int err;
- if (get_cfg_desc(config)->wTotalLength == EXTIGY_FIRMWARE_SIZE_OLD ||
- get_cfg_desc(config)->wTotalLength == EXTIGY_FIRMWARE_SIZE_NEW) {
+ if (le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_OLD ||
+ le16_to_cpu(get_cfg_desc(config)->wTotalLength) == EXTIGY_FIRMWARE_SIZE_NEW) {
snd_printdd("sending Extigy boot sequence...\n");
/* Send message to force it to reconnect with full interface. */
err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev,0),
@@ -2946,7 +2946,8 @@
if (err < 0) snd_printdd("error usb_get_descriptor: %d\n", err);
err = usb_reset_configuration(dev);
if (err < 0) snd_printdd("error usb_reset_configuration: %d\n", err);
- snd_printdd("extigy_boot: new boot length = %d\n", get_cfg_desc(config)->wTotalLength);
+ snd_printdd("extigy_boot: new boot length = %d\n",
+ le16_to_cpu(get_cfg_desc(config)->wTotalLength));
return -ENODEV; /* quit this anyway */
}
return 0;
diff -Nru a/sound/usb/usbmidi.c b/sound/usb/usbmidi.c
--- a/sound/usb/usbmidi.c 2004-12-20 16:16:27 -08:00
+++ b/sound/usb/usbmidi.c 2004-12-20 16:16:27 -08:00
@@ -59,7 +59,7 @@
__u8 bDescriptorType;
__u8 bDescriptorSubtype;
__u8 bcdMSC[2];
- __u16 wTotalLength;
+ __le16 wTotalLength;
} __attribute__ ((packed));
struct usb_ms_endpoint_descriptor {
-
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