0545e9dc6d
commit d1edce71135cc6d98c0a4b5729774542b676e769 Author: sophgo-forum-service <forum_service@sophgo.com> Date: Fri Mar 15 16:07:33 2024 +0800 [fix] recommend using ssh method to clone repo. [fix] fix sensor driver repo branch name.
75 lines
1.3 KiB
C
75 lines
1.3 KiB
C
// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
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/*
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* libfdt - Flat Device Tree manipulation
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* Copyright (C) 2006 David Gibson, IBM Corporation.
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*/
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#include "libfdt_env.h"
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#include <fdt.h>
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#include <libfdt.h>
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#include "libfdt_internal.h"
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int fdt_check_full(const void *fdt, size_t bufsize)
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{
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int err;
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int num_memrsv;
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int offset, nextoffset = 0;
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uint32_t tag;
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unsigned int depth = 0;
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const void *prop;
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const char *propname;
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if (bufsize < FDT_V1_SIZE)
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return -FDT_ERR_TRUNCATED;
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err = fdt_check_header(fdt);
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if (err != 0)
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return err;
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if (bufsize < fdt_totalsize(fdt))
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return -FDT_ERR_TRUNCATED;
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num_memrsv = fdt_num_mem_rsv(fdt);
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if (num_memrsv < 0)
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return num_memrsv;
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while (1) {
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offset = nextoffset;
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tag = fdt_next_tag(fdt, offset, &nextoffset);
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if (nextoffset < 0)
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return nextoffset;
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switch (tag) {
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case FDT_NOP:
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break;
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case FDT_END:
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if (depth != 0)
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return -FDT_ERR_BADSTRUCTURE;
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return 0;
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case FDT_BEGIN_NODE:
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depth++;
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if (depth > INT_MAX)
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return -FDT_ERR_BADSTRUCTURE;
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break;
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case FDT_END_NODE:
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if (depth == 0)
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return -FDT_ERR_BADSTRUCTURE;
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depth--;
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break;
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case FDT_PROP:
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prop = fdt_getprop_by_offset(fdt, offset, &propname,
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&err);
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if (!prop)
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return err;
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break;
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default:
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return -FDT_ERR_INTERNAL;
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}
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}
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}
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