These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / scripts / dtc / libfdt / fdt_ro.c

diff --git a/kernel/scripts/dtc/libfdt/fdt_ro.c b/kernel/scripts/dtc/libfdt/fdt_ro.c
index 02b6d68..a65e4b5 100644 (file)
--- a/kernel/scripts/dtc/libfdt/fdt_ro.c
+++ b/kernel/scripts/dtc/libfdt/fdt_ro.c
@@ -154,9 +154,9 @@ int fdt_subnode_offset(const void *fdt, int parentoffset,
        return fdt_subnode_offset_namelen(fdt, parentoffset, name, strlen(name));
 }
 
-int fdt_path_offset(const void *fdt, const char *path)
+int fdt_path_offset_namelen(const void *fdt, const char *path, int namelen)
 {
-       const char *end = path + strlen(path);
+       const char *end = path + namelen;
        const char *p = path;
        int offset = 0;
 
@@ -164,7 +164,7 @@ 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 = memchr(path, '/', end - p);
 
                if (!q)
                        q = end;
@@ -177,14 +177,15 @@ int fdt_path_offset(const void *fdt, const char *path)
                p = q;
        }
 
-       while (*p) {
+       while (p < end) {
                const char *q;
 
-               while (*p == '/')
+               while (*p == '/') {
                        p++;
-               if (! *p)
-                       return offset;
-               q = strchr(p, '/');
+                       if (p == end)
+                               return offset;
+               }
+               q = memchr(p, '/', end - p);
                if (! q)
                        q = end;
 
@@ -198,6 +199,11 @@ int fdt_path_offset(const void *fdt, const char *path)
        return offset;
 }
 
+int fdt_path_offset(const void *fdt, const char *path)
+{
+       return fdt_path_offset_namelen(fdt, path, strlen(path));
+}
+
 const char *fdt_get_name(const void *fdt, int nodeoffset, int *len)
 {
        const struct fdt_node_header *nh = _fdt_offset_ptr(fdt, nodeoffset);
@@ -322,7 +328,7 @@ const void *fdt_getprop(const void *fdt, int nodeoffset,
 
 uint32_t fdt_get_phandle(const void *fdt, int nodeoffset)
 {
-       const uint32_t *php;
+       const fdt32_t *php;
        int len;
 
        /* FIXME: This is a bit sub-optimal, since we potentially scan
@@ -515,8 +521,7 @@ int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)
        return offset; /* error from fdt_next_node() */
 }
 
-static int _fdt_stringlist_contains(const char *strlist, int listlen,
-                                   const char *str)
+int fdt_stringlist_contains(const char *strlist, int listlen, const char *str)
 {
        int len = strlen(str);
        const char *p;
@@ -542,7 +547,7 @@ int fdt_node_check_compatible(const void *fdt, int nodeoffset,
        prop = fdt_getprop(fdt, nodeoffset, "compatible", &len);
        if (!prop)
                return len;
-       if (_fdt_stringlist_contains(prop, len, compatible))
+       if (fdt_stringlist_contains(prop, len, compatible))
                return 0;
        else
                return 1;