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path: root/drivers/net/wireless/libertas_tf/if_usb.c
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Diffstat (limited to 'drivers/net/wireless/libertas_tf/if_usb.c')
-rw-r--r--drivers/net/wireless/libertas_tf/if_usb.c8
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 c445500ffc61..41a4f214ade1 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;