diff options
Diffstat (limited to 'drivers/usb/atm/usbatm.c')
| -rw-r--r-- | drivers/usb/atm/usbatm.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c index ec63b0ee074..d3e2c5f90a2 100644 --- a/drivers/usb/atm/usbatm.c +++ b/drivers/usb/atm/usbatm.c @@ -343,7 +343,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char UDSL_ASSERT(sarb->tail + ATM_CELL_PAYLOAD <= sarb->end); } - memcpy(sarb->tail, source + ATM_CELL_HEADER, ATM_CELL_PAYLOAD); + memcpy(skb_tail_pointer(sarb), source + ATM_CELL_HEADER, ATM_CELL_PAYLOAD); __skb_put(sarb, ATM_CELL_PAYLOAD); if (pti & 1) { @@ -370,7 +370,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char goto out; } - if (crc32_be(~0, sarb->tail - pdu_length, pdu_length) != 0xc704dd7b) { + if (crc32_be(~0, skb_tail_pointer(sarb) - pdu_length, pdu_length) != 0xc704dd7b) { atm_rldbg(instance, "%s: packet failed crc check (vcc: 0x%p)!\n", __func__, vcc); atomic_inc(&vcc->stats->rx_err); @@ -396,7 +396,9 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char goto out; /* atm_charge increments rx_drop */ } - memcpy(skb->data, sarb->tail - pdu_length, length); + skb_copy_to_linear_data(skb, + skb_tail_pointer(sarb) - pdu_length, + length); __skb_put(skb, length); vdbg("%s: sending skb 0x%p, skb->len %u, skb->truesize %u", @@ -484,7 +486,7 @@ static unsigned int usbatm_write_cells(struct usbatm_data *instance, ptr[4] = 0xec; ptr += ATM_CELL_HEADER; - memcpy(ptr, skb->data, data_len); + skb_copy_from_linear_data(skb, ptr, data_len); ptr += data_len; __skb_pull(skb, data_len); |