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Diffstat (limited to 'scripts/dtc/libfdt/fdt_rw.c')
-rw-r--r--scripts/dtc/libfdt/fdt_rw.c24
1 files changed, 19 insertions, 5 deletions
diff --git a/scripts/dtc/libfdt/fdt_rw.c b/scripts/dtc/libfdt/fdt_rw.c
index 3fd5847377c9..5c3a2bb0bc6b 100644
--- a/scripts/dtc/libfdt/fdt_rw.c
+++ b/scripts/dtc/libfdt/fdt_rw.c
@@ -207,7 +207,7 @@ static int _fdt_resize_property(void *fdt, int nodeoffset, const char *name,
int err;
*prop = fdt_get_property_w(fdt, nodeoffset, name, &oldlen);
- if (! (*prop))
+ if (!*prop)
return oldlen;
if ((err = _fdt_splice_struct(fdt, (*prop)->data, FDT_TAGALIGN(oldlen),
@@ -269,8 +269,8 @@ int fdt_set_name(void *fdt, int nodeoffset, const char *name)
return 0;
}
-int fdt_setprop(void *fdt, int nodeoffset, const char *name,
- const void *val, int len)
+int fdt_setprop_placeholder(void *fdt, int nodeoffset, const char *name,
+ int len, void **prop_data)
{
struct fdt_property *prop;
int err;
@@ -283,8 +283,22 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name,
if (err)
return err;
+ *prop_data = prop->data;
+ return 0;
+}
+
+int fdt_setprop(void *fdt, int nodeoffset, const char *name,
+ const void *val, int len)
+{
+ void *prop_data;
+ int err;
+
+ err = fdt_setprop_placeholder(fdt, nodeoffset, name, len, &prop_data);
+ if (err)
+ return err;
+
if (len)
- memcpy(prop->data, val, len);
+ memcpy(prop_data, val, len);
return 0;
}
@@ -323,7 +337,7 @@ int fdt_delprop(void *fdt, int nodeoffset, const char *name)
FDT_RW_CHECK_HEADER(fdt);
prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
- if (! prop)
+ if (!prop)
return len;
proplen = sizeof(*prop) + FDT_TAGALIGN(len);