From bedbef8ad3e75a304af6361af235302bcc61d06b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 14 May 2024 06:39:01 +0000
Subject: [PATCH] 修改内核路径
---
kernel/drivers/media/usb/b2c2/flexcop-usb.c | 12 +++++++-----
1 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/kernel/drivers/media/usb/b2c2/flexcop-usb.c b/kernel/drivers/media/usb/b2c2/flexcop-usb.c
index 9dd6e30..2299d5c 100644
--- a/kernel/drivers/media/usb/b2c2/flexcop-usb.c
+++ b/kernel/drivers/media/usb/b2c2/flexcop-usb.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
* flexcop-usb.c - covers the USB part
@@ -418,10 +419,9 @@
usb_free_urb(fc_usb->iso_urb[i]);
}
- if (fc_usb->iso_buffer != NULL)
- usb_free_coherent(fc_usb->udev,
- fc_usb->buffer_size, fc_usb->iso_buffer,
- fc_usb->dma_addr);
+ usb_free_coherent(fc_usb->udev, fc_usb->buffer_size,
+ fc_usb->iso_buffer, fc_usb->dma_addr);
+
}
static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb)
@@ -512,6 +512,8 @@
if (fc_usb->uintf->cur_altsetting->desc.bNumEndpoints < 1)
return -ENODEV;
+ if (!usb_endpoint_is_isoc_in(&fc_usb->uintf->cur_altsetting->endpoint[0].desc))
+ return -ENODEV;
switch (fc_usb->udev->speed) {
case USB_SPEED_LOW:
@@ -524,7 +526,7 @@
case USB_SPEED_HIGH:
info("running at HIGH speed.");
break;
- case USB_SPEED_UNKNOWN: /* fall through */
+ case USB_SPEED_UNKNOWN:
default:
err("cannot handle USB speed because it is unknown.");
return -ENODEV;
--
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