diff options
Diffstat (limited to 'libfdt/fdt_rw.c')
-rw-r--r-- | libfdt/fdt_rw.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/libfdt/fdt_rw.c b/libfdt/fdt_rw.c index 8609fa7d76..95a5c2c62b 100644 --- a/libfdt/fdt_rw.c +++ b/libfdt/fdt_rw.c @@ -176,8 +176,7 @@ int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size) struct fdt_reserve_entry *re; int err; - if ((err = rw_check_header(fdt))) - return err; + RW_CHECK_HEADER(fdt); re = _fdt_mem_rsv_w(fdt, fdt_num_mem_rsv(fdt)); err = _blob_splice_mem_rsv(fdt, re, 0, 1); @@ -194,8 +193,8 @@ int fdt_del_mem_rsv(void *fdt, int n) struct fdt_reserve_entry *re = _fdt_mem_rsv_w(fdt, n); int err; - if ((err = rw_check_header(fdt))) - return err; + RW_CHECK_HEADER(fdt); + if (n >= fdt_num_mem_rsv(fdt)) return -FDT_ERR_NOTFOUND; @@ -227,15 +226,13 @@ static int _resize_property(void *fdt, int nodeoffset, const char *name, int len static int _add_property(void *fdt, int nodeoffset, const char *name, int len, struct fdt_property **prop) { - uint32_t tag; int proplen; int nextoffset; int namestroff; int err; - tag = fdt_next_tag(fdt, nodeoffset, &nextoffset); - if (tag != FDT_BEGIN_NODE) - return -FDT_ERR_BADOFFSET; + if ((nextoffset = _fdt_check_node_offset(fdt, nodeoffset)) < 0) + return nextoffset; namestroff = _find_add_string(fdt, name); if (namestroff < 0) @@ -260,8 +257,7 @@ int fdt_set_name(void *fdt, int nodeoffset, const char *name) int oldlen, newlen; int err; - if ((err = rw_check_header(fdt))) - return err; + RW_CHECK_HEADER(fdt); namep = (char *)fdt_get_name(fdt, nodeoffset, &oldlen); if (!namep) @@ -284,8 +280,7 @@ int fdt_setprop(void *fdt, int nodeoffset, const char *name, struct fdt_property *prop; int err; - if ((err = rw_check_header(fdt))) - return err; + RW_CHECK_HEADER(fdt); err = _resize_property(fdt, nodeoffset, name, len, &prop); if (err == -FDT_ERR_NOTFOUND) @@ -456,11 +451,8 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize) int fdt_pack(void *fdt) { int mem_rsv_size; - int err; - err = rw_check_header(fdt); - if (err) - return err; + RW_CHECK_HEADER(fdt); mem_rsv_size = (fdt_num_mem_rsv(fdt)+1) * sizeof(struct fdt_reserve_entry); |