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authorJustin Covell <jujugoboom@gmail.com>2020-12-28 20:17:49 -0800
committerSebastian Huber <sebastian.huber@embedded-brains.de>2021-12-14 16:00:44 +0100
commita582ab37c21880474562a665da24d8ed1f298bf0 (patch)
treecb5a3a5834aa030abe1b7c594993f0df0bb483fe /cpukit/dtc/libfdt/fdt_rw.c
parentlibfdt: Tweak description of assume-aligned load helpers (diff)
downloadrtems-a582ab37c21880474562a665da24d8ed1f298bf0.tar.bz2
Set last_comp_version correctly in new dtb and fix potential version issues in fdt_open_into
Changes in v3: - Remove noop version sets - Set version correctly on loaded fdt in fdt_open_into Fixes: f1879e1a50eb ("Add limited read-only support for older (V2 and V3) device tree to libfdt.") Signed-off-by: Justin Covell <jujugoboom@gmail.com> Message-Id: <20201229041749.2187-1-jujugoboom@gmail.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'cpukit/dtc/libfdt/fdt_rw.c')
-rw-r--r--cpukit/dtc/libfdt/fdt_rw.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/cpukit/dtc/libfdt/fdt_rw.c b/cpukit/dtc/libfdt/fdt_rw.c
index 68887b969a..f13458d165 100644
--- a/cpukit/dtc/libfdt/fdt_rw.c
+++ b/cpukit/dtc/libfdt/fdt_rw.c
@@ -428,12 +428,14 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize)
if (can_assume(LATEST) || fdt_version(fdt) >= 17) {
struct_size = fdt_size_dt_struct(fdt);
- } else {
+ } else if (fdt_version(fdt) == 16) {
struct_size = 0;
while (fdt_next_tag(fdt, struct_size, &struct_size) != FDT_END)
;
if (struct_size < 0)
return struct_size;
+ } else {
+ return -FDT_ERR_BADVERSION;
}
if (can_assume(LIBFDT_ORDER) ||