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Commit ceaca9dc authored by David S. Miller's avatar David S. Miller
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Merge tag 'linux-can-fixes-for-3.18-20141207' of git://gitorious.org/linux-can/linux-can 

Marc Kleine-Budde says:

====================
pull-request: can 2014-12-07

this is a pull request of three patches by Stephane Grosjean which fix several
bugs in the peak_usb CAN drivers.

Please queue, if possible for 3.18, if it's too late these patches takes the
slow lane via net-next.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 51de7bb9 62bc24f6
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Showing with 54 additions and 51 deletions
drivers/net/can/usb/peak_usb/pcan_usb.c
View file @ ceaca9dc
......@@ -316,7 +316,7 @@ static int pcan_usb_get_serial(struct peak_usb_device *dev, u32 *serial_number)
if (err) {
netdev_err(dev->netdev, "getting serial failure: %d\n", err);
} else if (serial_number) {
u32 tmp32;
__le32 tmp32;
memcpy(&tmp32, args, 4);
*serial_number = le32_to_cpu(tmp32);
......@@ -347,7 +347,7 @@ static int pcan_usb_get_device_id(struct peak_usb_device *dev, u32 *device_id)
*/
static int pcan_usb_update_ts(struct pcan_usb_msg_context *mc)
{
u16 tmp16;
__le16 tmp16;
if ((mc->ptr+2) > mc->end)
return -EINVAL;
......@@ -371,7 +371,7 @@ static int pcan_usb_decode_ts(struct pcan_usb_msg_context *mc, u8 first_packet)
{
/* only 1st packet supplies a word timestamp */
if (first_packet) {
u16 tmp16;
__le16 tmp16;
if ((mc->ptr + 2) > mc->end)
return -EINVAL;
......@@ -614,7 +614,7 @@ static int pcan_usb_decode_data(struct pcan_usb_msg_context *mc, u8 status_len)
return -ENOMEM;
if (status_len & PCAN_USB_STATUSLEN_EXT_ID) {
u32 tmp32;
__le32 tmp32;
if ((mc->ptr + 4) > mc->end)
goto decode_failed;
......@@ -622,9 +622,9 @@ static int pcan_usb_decode_data(struct pcan_usb_msg_context *mc, u8 status_len)
memcpy(&tmp32, mc->ptr, 4);
mc->ptr += 4;
cf->can_id = le32_to_cpu(tmp32 >> 3) | CAN_EFF_FLAG;
cf->can_id = (le32_to_cpu(tmp32) >> 3) | CAN_EFF_FLAG;
} else {
u16 tmp16;
__le16 tmp16;
if ((mc->ptr + 2) > mc->end)
goto decode_failed;
......@@ -632,7 +632,7 @@ static int pcan_usb_decode_data(struct pcan_usb_msg_context *mc, u8 status_len)
memcpy(&tmp16, mc->ptr, 2);
mc->ptr += 2;
cf->can_id = le16_to_cpu(tmp16 >> 5);
cf->can_id = le16_to_cpu(tmp16) >> 5;
}
cf->can_dlc = get_can_dlc(rec_len);
......
drivers/net/can/usb/peak_usb/pcan_usb_core.c
View file @ ceaca9dc
......@@ -735,7 +735,7 @@ static int peak_usb_create_dev(struct peak_usb_adapter *peak_usb_adapter,
dev->cmd_buf = kmalloc(PCAN_USB_MAX_CMD_LEN, GFP_KERNEL);
if (!dev->cmd_buf) {
err = -ENOMEM;
goto lbl_set_intf_data;
goto lbl_free_candev;
}
dev->udev = usb_dev;
......@@ -775,7 +775,7 @@ static int peak_usb_create_dev(struct peak_usb_adapter *peak_usb_adapter,
err = register_candev(netdev);
if (err) {
dev_err(&intf->dev, "couldn't register CAN device: %d\n", err);
goto lbl_free_cmd_buf;
goto lbl_restore_intf_data;
}
if (dev->prev_siblings)
......@@ -788,14 +788,14 @@ static int peak_usb_create_dev(struct peak_usb_adapter *peak_usb_adapter,
if (dev->adapter->dev_init) {
err = dev->adapter->dev_init(dev);
if (err)
goto lbl_free_cmd_buf;
goto lbl_unregister_candev;
}
/* set bus off */
if (dev->adapter->dev_set_bus) {
err = dev->adapter->dev_set_bus(dev, 0);
if (err)
goto lbl_free_cmd_buf;
goto lbl_unregister_candev;
}
/* get device number early */
......@@ -807,11 +807,14 @@ static int peak_usb_create_dev(struct peak_usb_adapter *peak_usb_adapter,
return 0;
lbl_free_cmd_buf:
kfree(dev->cmd_buf);
lbl_unregister_candev:
unregister_candev(netdev);
lbl_set_intf_data:
lbl_restore_intf_data:
usb_set_intfdata(intf, dev->prev_siblings);
kfree(dev->cmd_buf);
lbl_free_candev:
free_candev(netdev);
return err;
......@@ -853,6 +856,7 @@ static int peak_usb_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *usb_dev = interface_to_usbdev(intf);
const u16 usb_id_product = le16_to_cpu(usb_dev->descriptor.idProduct);
struct peak_usb_adapter *peak_usb_adapter, **pp;
int i, err = -ENOMEM;
......@@ -860,7 +864,7 @@ static int peak_usb_probe(struct usb_interface *intf,
/* get corresponding PCAN-USB adapter */
for (pp = peak_usb_adapters_list; *pp; pp++)
if ((*pp)->device_id == usb_dev->descriptor.idProduct)
if ((*pp)->device_id == usb_id_product)
break;
peak_usb_adapter = *pp;
......
drivers/net/can/usb/peak_usb/pcan_usb_pro.c
View file @ ceaca9dc
......@@ -78,8 +78,8 @@ struct pcan_usb_pro_msg {
int rec_buffer_size;
int rec_buffer_len;
union {
u16 *rec_cnt_rd;
u32 *rec_cnt;
__le16 *rec_cnt_rd;
__le32 *rec_cnt;
u8 *rec_buffer;
} u;
};
......@@ -155,7 +155,7 @@ static int pcan_msg_add_rec(struct pcan_usb_pro_msg *pm, u8 id, ...)
*pc++ = va_arg(ap, int);
*pc++ = va_arg(ap, int);
*pc++ = va_arg(ap, int);
*(u32 *)pc = cpu_to_le32(va_arg(ap, u32));
*(__le32 *)pc = cpu_to_le32(va_arg(ap, u32));
pc += 4;
memcpy(pc, va_arg(ap, int *), i);
pc += i;
......@@ -165,7 +165,7 @@ static int pcan_msg_add_rec(struct pcan_usb_pro_msg *pm, u8 id, ...)
case PCAN_USBPRO_GETDEVID:
*pc++ = va_arg(ap, int);
pc += 2;
*(u32 *)pc = cpu_to_le32(va_arg(ap, u32));
*(__le32 *)pc = cpu_to_le32(va_arg(ap, u32));
pc += 4;
break;
......@@ -173,21 +173,21 @@ static int pcan_msg_add_rec(struct pcan_usb_pro_msg *pm, u8 id, ...)
case PCAN_USBPRO_SETBUSACT:
case PCAN_USBPRO_SETSILENT:
*pc++ = va_arg(ap, int);
*(u16 *)pc = cpu_to_le16(va_arg(ap, int));
*(__le16 *)pc = cpu_to_le16(va_arg(ap, int));
pc += 2;
break;
case PCAN_USBPRO_SETLED:
*pc++ = va_arg(ap, int);
*(u16 *)pc = cpu_to_le16(va_arg(ap, int));
*(__le16 *)pc = cpu_to_le16(va_arg(ap, int));
pc += 2;
*(u32 *)pc = cpu_to_le32(va_arg(ap, u32));
*(__le32 *)pc = cpu_to_le32(va_arg(ap, u32));
pc += 4;
break;
case PCAN_USBPRO_SETTS:
pc++;
*(u16 *)pc = cpu_to_le16(va_arg(ap, int));
*(__le16 *)pc = cpu_to_le16(va_arg(ap, int));
pc += 2;
break;
......@@ -200,7 +200,7 @@ static int pcan_msg_add_rec(struct pcan_usb_pro_msg *pm, u8 id, ...)
len = pc - pm->rec_ptr;
if (len > 0) {
*pm->u.rec_cnt = cpu_to_le32(*pm->u.rec_cnt+1);
*pm->u.rec_cnt = cpu_to_le32(le32_to_cpu(*pm->u.rec_cnt) + 1);
*pm->rec_ptr = id;
pm->rec_ptr = pc;
......@@ -333,8 +333,6 @@ static int pcan_usb_pro_send_req(struct peak_usb_device *dev, int req_id,
if (!(dev->state & PCAN_USB_STATE_CONNECTED))
return 0;
memset(req_addr, '\0', req_size);
req_type = USB_TYPE_VENDOR | USB_RECIP_OTHER;
switch (req_id) {
......@@ -345,6 +343,7 @@ static int pcan_usb_pro_send_req(struct peak_usb_device *dev, int req_id,
default:
p = usb_rcvctrlpipe(dev->udev, 0);
req_type |= USB_DIR_IN;
memset(req_addr, '\0', req_size);
break;
}
......@@ -572,7 +571,7 @@ static int pcan_usb_pro_handle_canmsg(struct pcan_usb_pro_interface *usb_if,
static int pcan_usb_pro_handle_error(struct pcan_usb_pro_interface *usb_if,
struct pcan_usb_pro_rxstatus *er)
{
const u32 raw_status = le32_to_cpu(er->status);
const u16 raw_status = le16_to_cpu(er->status);
const unsigned int ctrl_idx = (er->channel >> 4) & 0x0f;
struct peak_usb_device *dev = usb_if->dev[ctrl_idx];
struct net_device *netdev = dev->netdev;
......
drivers/net/can/usb/peak_usb/pcan_usb_pro.h
View file @ ceaca9dc
......@@ -33,27 +33,27 @@
/* PCAN_USBPRO_INFO_BL vendor request record type */
struct __packed pcan_usb_pro_blinfo {
u32 ctrl_type;
__le32 ctrl_type;
u8 version[4];
u8 day;
u8 month;
u8 year;
u8 dummy;
u32 serial_num_hi;
u32 serial_num_lo;
u32 hw_type;
u32 hw_rev;
__le32 serial_num_hi;
__le32 serial_num_lo;
__le32 hw_type;
__le32 hw_rev;
};
/* PCAN_USBPRO_INFO_FW vendor request record type */
struct __packed pcan_usb_pro_fwinfo {
u32 ctrl_type;
__le32 ctrl_type;
u8 version[4];
u8 day;
u8 month;
u8 year;
u8 dummy;
u32 fw_type;
__le32 fw_type;
};
/*
......@@ -80,46 +80,46 @@ struct __packed pcan_usb_pro_fwinfo {
struct __packed pcan_usb_pro_btr {
u8 data_type;
u8 channel;
u16 dummy;
u32 CCBT;
__le16 dummy;
__le32 CCBT;
};
struct __packed pcan_usb_pro_busact {
u8 data_type;
u8 channel;
u16 onoff;
__le16 onoff;
};
struct __packed pcan_usb_pro_silent {
u8 data_type;
u8 channel;
u16 onoff;
__le16 onoff;
};
struct __packed pcan_usb_pro_filter {
u8 data_type;
u8 dummy;
u16 filter_mode;
__le16 filter_mode;
};
struct __packed pcan_usb_pro_setts {
u8 data_type;
u8 dummy;
u16 mode;
__le16 mode;
};
struct __packed pcan_usb_pro_devid {
u8 data_type;
u8 channel;
u16 dummy;
u32 serial_num;
__le16 dummy;
__le32 serial_num;
};
struct __packed pcan_usb_pro_setled {
u8 data_type;
u8 channel;
u16 mode;
u32 timeout;
__le16 mode;
__le32 timeout;
};
struct __packed pcan_usb_pro_rxmsg {
......@@ -127,8 +127,8 @@ struct __packed pcan_usb_pro_rxmsg {
u8 client;
u8 flags;
u8 len;
u32 ts32;
u32 id;
__le32 ts32;
__le32 id;
u8 data[8];
};
......@@ -141,15 +141,15 @@ struct __packed pcan_usb_pro_rxmsg {
struct __packed pcan_usb_pro_rxstatus {
u8 data_type;
u8 channel;
u16 status;
u32 ts32;
u32 err_frm;
__le16 status;
__le32 ts32;
__le32 err_frm;
};
struct __packed pcan_usb_pro_rxts {
u8 data_type;
u8 dummy[3];
u32 ts64[2];
__le32 ts64[2];
};
struct __packed pcan_usb_pro_txmsg {
......@@ -157,7 +157,7 @@ struct __packed pcan_usb_pro_txmsg {
u8 client;
u8 flags;
u8 len;
u32 id;
__le32 id;
u8 data[8];
};
......
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