powerpc: Fix bug in kernel copy of libfdt's fdt_subnode_offset_namelen()

[linux-2.6-omap-h63xx.git] / arch / powerpc / boot / libfdt / fdt_ro.c

diff --git a/arch/powerpc/boot/libfdt/fdt_ro.c b/arch/powerpc/boot/libfdt/fdt_ro.c
index 129b532bcc1a8f9752caf666a0b1e45956e926eb..fbbba44fcd0d0ccd798b763c364df7b79aa66a72 100644 (file)
--- a/arch/powerpc/boot/libfdt/fdt_ro.c
+++ b/arch/powerpc/boot/libfdt/fdt_ro.c
@@ -104,8 +104,8 @@ int fdt_subnode_offset_namelen(const void *fdt, int offset,
 
        FDT_CHECK_HEADER(fdt);
 
-       for (depth = 0;
-            offset >= 0;
+       for (depth = 0, offset = fdt_next_node(fdt, offset, &depth);
+            (offset >= 0) && (depth > 0);
             offset = fdt_next_node(fdt, offset, &depth)) {
                if (depth < 0)
                        return -FDT_ERR_NOTFOUND;
@@ -114,7 +114,10 @@ int fdt_subnode_offset_namelen(const void *fdt, int offset,
                        return offset;
        }
 
-       return offset; /* error */
+       if (offset < 0)
+               return offset; /* error */
+       else
+               return -FDT_ERR_NOTFOUND;
 }
 
 int fdt_subnode_offset(const void *fdt, int parentoffset,