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scripts/dtc: Update to upstream version 53bf130b1cdd

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Sync to upstream dtc commit 53bf130b1cdd ("libfdt: simplify
fdt_node_check_compatible()"). This adds the following commits from
upstream:

53bf130 libfdt: simplify fdt_node_check_compatible()
c9d9121 Warn on node name unit-address presence/absence mismatch
2e53f9d Catch unsigned 32bit overflow when parsing flattened device tree offsets

Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Rob Herring 2016-03-04 08:56:58 -06:00
parent f55532a0c0
commit b993734718
4 changed files with 31 additions and 7 deletions
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4
scripts/dtc/flattree.c
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@ -889,7 +889,7 @@ struct boot_info *dt_from_blob(const char *fname)
if (version >= 3) {
uint32_t size_str = fdt32_to_cpu(fdt->size_dt_strings);
if (off_str+size_str > totalsize)
if ((off_str+size_str < off_str) || (off_str+size_str > totalsize))
die("String table extends past total size\n");
inbuf_init(&strbuf, blob + off_str, blob + off_str + size_str);
} else {
@ -898,7 +898,7 @@ struct boot_info *dt_from_blob(const char *fname)
if (version >= 17) {
size_dt = fdt32_to_cpu(fdt->size_dt_struct);
if (off_dt+size_dt > totalsize)
if ((off_dt+size_dt < off_dt) || (off_dt+size_dt > totalsize))
die("Structure block extends past total size\n");
}