diff options
| -rw-r--r-- | lib/libfdt/fdt_ro.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/lib/libfdt/fdt_ro.c b/lib/libfdt/fdt_ro.c index 03733e5..44fc0aa 100644 --- a/lib/libfdt/fdt_ro.c +++ b/lib/libfdt/fdt_ro.c @@ -113,6 +113,25 @@ int fdt_subnode_offset(const void *fdt, int parentoffset, return fdt_subnode_offset_namelen(fdt, parentoffset, name, strlen(name)); } +/* + * Find the next of path seperator, note we need to search for both '/' and ':' + * and then take the first one so that we do the rigth thing for e.g. + * "foo/bar:option" and "bar:option/otheroption", both of which happen, so + * first searching for either ':' or '/' does not work. + */ +static const char *fdt_path_next_seperator(const char *path) +{ + const char *sep1 = strchr(path, '/'); + const char *sep2 = strchr(path, ':'); + + if (sep1 && sep2) + return (sep1 < sep2) ? sep1 : sep2; + else if (sep1) + return sep1; + else + return sep2; +} + int fdt_path_offset(const void *fdt, const char *path) { const char *end = path + strlen(path); @@ -123,7 +142,7 @@ int fdt_path_offset(const void *fdt, const char *path) /* see if we have an alias */ if (*path != '/') { - const char *q = strchr(path, '/'); + const char *q = fdt_path_next_seperator(path); if (!q) q = end; @@ -141,9 +160,9 @@ int fdt_path_offset(const void *fdt, const char *path) while (*p == '/') p++; - if (! *p) + if (*p == '\0' || *p == ':') return offset; - q = strchr(p, '/'); + q = fdt_path_next_seperator(p); if (! q) q = end; |