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-rw-r--r--drivers/net/wireless/libertas/if_usb.c3
-rw-r--r--drivers/net/wireless/libertas_tf/if_usb.c3
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 07ece9d26c6..3ff61063671 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -289,10 +289,13 @@ static int if_usb_probe(struct usb_interface *intf,
}
/* Upload firmware */
+ kparam_block_sysfs_write(fw_name);
if (__if_usb_prog_firmware(cardp, lbs_fw_name, BOOT_CMD_FW_BY_USB)) {
+ kparam_unblock_sysfs_write(fw_name);
lbs_deb_usbd(&udev->dev, "FW upload failed\n");
goto err_prog_firmware;
}
+ kparam_unblock_sysfs_write(fw_name);
if (!(priv = lbs_add_card(cardp, &udev->dev)))
goto err_prog_firmware;
diff --git a/drivers/net/wireless/libertas_tf/if_usb.c b/drivers/net/wireless/libertas_tf/if_usb.c
index b172f5d87a3..41a4f214ade 100644
--- a/drivers/net/wireless/libertas_tf/if_usb.c
+++ b/drivers/net/wireless/libertas_tf/if_usb.c
@@ -811,12 +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;