update kernel to 5.10.198

hc

2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf

 kernel/drivers/media/usb/b2c2/flexcop-usb.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III
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  * flexcop-usb.c - covers the USB part
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@@ -418,10 +419,9 @@
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 			usb_free_urb(fc_usb->iso_urb[i]);
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 		}
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-	if (fc_usb->iso_buffer != NULL)
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-		usb_free_coherent(fc_usb->udev,
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-			fc_usb->buffer_size, fc_usb->iso_buffer,
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-			fc_usb->dma_addr);
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+	usb_free_coherent(fc_usb->udev, fc_usb->buffer_size,
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+			  fc_usb->iso_buffer, fc_usb->dma_addr);
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+
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 }
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 static int flexcop_usb_transfer_init(struct flexcop_usb *fc_usb)
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@@ -512,6 +512,8 @@
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 	if (fc_usb->uintf->cur_altsetting->desc.bNumEndpoints < 1)
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 		return -ENODEV;
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+	if (!usb_endpoint_is_isoc_in(&fc_usb->uintf->cur_altsetting->endpoint[0].desc))
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+		return -ENODEV;
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 	switch (fc_usb->udev->speed) {
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 	case USB_SPEED_LOW:
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@@ -524,7 +526,7 @@
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 	case USB_SPEED_HIGH:
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 		info("running at HIGH speed.");
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 		break;
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-	case USB_SPEED_UNKNOWN: /* fall through */
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+	case USB_SPEED_UNKNOWN:
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 	default:
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 		err("cannot handle USB speed because it is unknown.");
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 		return -ENODEV;