diff options
Diffstat (limited to 'libfdt/fdt_rw.c')
| -rw-r--r-- | libfdt/fdt_rw.c | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/libfdt/fdt_rw.c b/libfdt/fdt_rw.c index 2fb81dd39..8609fa7d7 100644 --- a/libfdt/fdt_rw.c +++ b/libfdt/fdt_rw.c @@ -73,10 +73,8 @@ static int _blocks_misordered(const void *fdt, static int rw_check_header(void *fdt) { - int err; + CHECK_HEADER(fdt); - if ((err = fdt_check_header(fdt))) - return err; if (fdt_version(fdt) < 17) return -FDT_ERR_BADVERSION; if (_blocks_misordered(fdt, sizeof(struct fdt_reserve_entry), @@ -256,6 +254,30 @@ static int _add_property(void *fdt, int nodeoffset, const char *name, int len, return 0; } +int fdt_set_name(void *fdt, int nodeoffset, const char *name) +{ + char *namep; + int oldlen, newlen; + int err; + + if ((err = rw_check_header(fdt))) + return err; + + namep = (char *)fdt_get_name(fdt, nodeoffset, &oldlen); + if (!namep) + return oldlen; + + newlen = strlen(name); + + err = _blob_splice_struct(fdt, namep, ALIGN(oldlen+1, FDT_TAGSIZE), + ALIGN(newlen+1, FDT_TAGSIZE)); + if (err) + return err; + + memcpy(namep, name, newlen+1); + return 0; +} + int fdt_setprop(void *fdt, int nodeoffset, const char *name, const void *val, int len) { @@ -313,7 +335,7 @@ int fdt_add_subnode_namelen(void *fdt, int parentoffset, do { offset = nextoffset; tag = fdt_next_tag(fdt, offset, &nextoffset); - } while (tag == FDT_PROP); + } while ((tag == FDT_PROP) || (tag == FDT_NOP)); nh = _fdt_offset_ptr_w(fdt, offset); nodelen = sizeof(*nh) + ALIGN(namelen+1, FDT_TAGSIZE) + FDT_TAGSIZE; @@ -379,9 +401,7 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize) int newsize; void *tmp; - err = fdt_check_header(fdt); - if (err) - return err; + CHECK_HEADER(fdt); mem_rsv_size = (fdt_num_mem_rsv(fdt)+1) * sizeof(struct fdt_reserve_entry); |