diff options
Diffstat (limited to 'drivers/net/wireless/libertas_tf/if_usb.c')
| -rw-r--r-- | drivers/net/wireless/libertas_tf/if_usb.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/net/wireless/libertas_tf/if_usb.c b/drivers/net/wireless/libertas_tf/if_usb.c index c445500ffc6..41a4f214ade 100644 --- a/drivers/net/wireless/libertas_tf/if_usb.c +++ b/drivers/net/wireless/libertas_tf/if_usb.c @@ -538,7 +538,8 @@ static void if_usb_receive_fwload(struct urb *urb) return; } - syncfwheader = kmalloc(sizeof(struct fwsyncheader), GFP_ATOMIC); + syncfwheader = kmemdup(skb->data, sizeof(struct fwsyncheader), + GFP_ATOMIC); if (!syncfwheader) { lbtf_deb_usbd(&cardp->udev->dev, "Failure to allocate syncfwheader\n"); kfree_skb(skb); @@ -546,8 +547,6 @@ static void if_usb_receive_fwload(struct urb *urb) return; } - memcpy(syncfwheader, skb->data, sizeof(struct fwsyncheader)); - if (!syncfwheader->cmd) { lbtf_deb_usb2(&cardp->udev->dev, "FW received Blk with correct CRC\n"); lbtf_deb_usb2(&cardp->udev->dev, "FW received Blk seqnum = %d\n", @@ -812,12 +811,15 @@ static int if_usb_prog_firmware(struct if_usb_card *cardp) lbtf_deb_enter(LBTF_DEB_USB); + kparam_block_sysfs_write(fw_name); ret = request_firmware(&cardp->fw, lbtf_fw_name, &cardp->udev->dev); if (ret < 0) { pr_err("request_firmware() failed with %#x\n", ret); pr_err("firmware %s not found\n", lbtf_fw_name); + kparam_unblock_sysfs_write(fw_name); goto done; } + kparam_unblock_sysfs_write(fw_name); if (check_fwfile_format(cardp->fw->data, cardp->fw->size)) goto release_fw; |