diff options
Diffstat (limited to 'libfdt/fdt_ro.c')
| -rw-r--r-- | libfdt/fdt_ro.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/libfdt/fdt_ro.c b/libfdt/fdt_ro.c index d566eba27..b09a6e9eb 100644 --- a/libfdt/fdt_ro.c +++ b/libfdt/fdt_ro.c @@ -143,8 +143,25 @@ int fdt_path_offset(const void *fdt, const char *path) FDT_CHECK_HEADER(fdt); - if (*path != '/') - return -FDT_ERR_BADPATH; + /* see if we have an alias */ + if (*path != '/') { + const char *q; + int aliasoffset = fdt_path_offset(fdt, "/aliases"); + + if (aliasoffset < 0) + return -FDT_ERR_BADPATH; + + q = strchr(path, '/'); + if (!q) + q = end; + + p = fdt_getprop_namelen(fdt, aliasoffset, path, q - p, NULL); + if (!p) + return -FDT_ERR_BADPATH; + offset = fdt_path_offset(fdt, p); + + p = q; + } while (*p) { const char *q; |