X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=lib%2Flibfdt%2Ffdt_ro.c;h=7b0777b67eb3cbb92609ae81366ef4bf66d1944b;hb=663acabdc548216d61a9d2b1f789d4e6606f7a52;hp=03733e574f71db1df2ebec2c08ec66dff95908d0;hpb=1fba907f9a8d178eee960294ecffc8ee8bc6b00d;p=u-boot diff --git a/lib/libfdt/fdt_ro.c b/lib/libfdt/fdt_ro.c index 03733e574f..7b0777b67e 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; @@ -498,7 +517,7 @@ int fdt_count_strings(const void *fdt, int node, const char *property) list = fdt_getprop(fdt, node, property, &length); if (!list) - return -length; + return length; for (i = 0; i < length; i++) { int len = strlen(list); @@ -558,7 +577,7 @@ int fdt_get_string_index(const void *fdt, int node, const char *property, index--; } - return FDT_ERR_NOTFOUND; + return -FDT_ERR_NOTFOUND; } int fdt_get_string(const void *fdt, int node, const char *property,