add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/media/pci/ivtv/ivtv-yuv.c
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@@ -1,21 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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     yuv support
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     Copyright (C) 2007  Ian Armstrong <ian@iarmst.demon.co.uk>
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-    This program is free software; you can redistribute it and/or modify
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-    it under the terms of the GNU General Public License as published by
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-    the Free Software Foundation; either version 2 of the License, or
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-    (at your option) any later version.
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-
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-    This program is distributed in the hope that it will be useful,
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-    but WITHOUT ANY WARRANTY; without even the implied warranty of
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-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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-    GNU General Public License for more details.
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-
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-    You should have received a copy of the GNU General Public License
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-    along with this program; if not, write to the Free Software
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-    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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  */
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 #include "ivtv-driver.h"
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@@ -42,7 +30,6 @@
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 	struct yuv_playback_info *yi = &itv->yuv_info;
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 	u8 frame = yi->draw_frame;
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 	struct yuv_frame_info *f = &yi->new_frame_info[frame];
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-	int i;
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 	int y_pages, uv_pages;
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 	unsigned long y_buffer_offset, uv_buffer_offset;
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 	int y_decode_height, uv_decode_height, y_size;
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@@ -74,12 +61,12 @@
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 	ivtv_udma_get_page_info (&y_dma, (unsigned long)args->y_source, 720 * y_decode_height);
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 	ivtv_udma_get_page_info (&uv_dma, (unsigned long)args->uv_source, 360 * uv_decode_height);
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-	/* Get user pages for DMA Xfer */
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-	y_pages = get_user_pages_unlocked(y_dma.uaddr,
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+	/* Pin user pages for DMA Xfer */
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+	y_pages = pin_user_pages_unlocked(y_dma.uaddr,
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 			y_dma.page_count, &dma->map[0], FOLL_FORCE);
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 	uv_pages = 0; /* silence gcc. value is set and consumed only if: */
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 	if (y_pages == y_dma.page_count) {
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-		uv_pages = get_user_pages_unlocked(uv_dma.uaddr,
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+		uv_pages = pin_user_pages_unlocked(uv_dma.uaddr,
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 				uv_dma.page_count, &dma->map[y_pages],
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 				FOLL_FORCE);
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 	}
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@@ -93,8 +80,7 @@
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 				 uv_pages, uv_dma.page_count);
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 			if (uv_pages >= 0) {
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-				for (i = 0; i < uv_pages; i++)
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-					put_page(dma->map[y_pages + i]);
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+				unpin_user_pages(&dma->map[y_pages], uv_pages);
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 				rc = -EFAULT;
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 			} else {
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 				rc = uv_pages;
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@@ -105,12 +91,11 @@
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 				 y_pages, y_dma.page_count);
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 		}
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 		if (y_pages >= 0) {
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-			for (i = 0; i < y_pages; i++)
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-				put_page(dma->map[i]);
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+			unpin_user_pages(dma->map, y_pages);
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 			/*
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 			 * Inherit the -EFAULT from rc's
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 			 * initialization, but allow it to be
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-			 * overriden by uv_pages above if it was an
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+			 * overridden by uv_pages above if it was an
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 			 * actual errno.
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 			 */
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 		} else {
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@@ -124,9 +109,7 @@
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 	/* Fill & map SG List */
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 	if (ivtv_udma_fill_sg_list (dma, &uv_dma, ivtv_udma_fill_sg_list (dma, &y_dma, 0)) < 0) {
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 		IVTV_DEBUG_WARN("could not allocate bounce buffers for highmem userspace buffers\n");
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-		for (i = 0; i < dma->page_count; i++) {
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-			put_page(dma->map[i]);
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-		}
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+		unpin_user_pages(dma->map, dma->page_count);
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 		dma->page_count = 0;
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 		return -ENOMEM;
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 	}