autofs4: collect version check return

[linux-2.6-omap-h63xx.git] / net / sunrpc / xdr.c

diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 995c3fdc16c27821d2e97887a6bdba002a086321..79a55d56cc980dbe63d1caa913046414e870e926 100644 (file)
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -244,7 +244,7 @@ _copy_to_pages(struct page **pages, size_t pgbase, const char *p, size_t len)
        pgto = pages + (pgbase >> PAGE_CACHE_SHIFT);
        pgbase &= ~PAGE_CACHE_MASK;
 
-       do {
+       for (;;) {
                copy = PAGE_CACHE_SIZE - pgbase;
                if (copy > len)
                        copy = len;
@@ -253,6 +253,10 @@ _copy_to_pages(struct page **pages, size_t pgbase, const char *p, size_t len)
                memcpy(vto + pgbase, p, copy);
                kunmap_atomic(vto, KM_USER0);
 
+               len -= copy;
+               if (len == 0)
+                       break;
+
                pgbase += copy;
                if (pgbase == PAGE_CACHE_SIZE) {
                        flush_dcache_page(*pgto);
@@ -260,8 +264,7 @@ _copy_to_pages(struct page **pages, size_t pgbase, const char *p, size_t len)
                        pgto++;
                }
                p += copy;
-
-       } while ((len -= copy) != 0);
+       }
        flush_dcache_page(*pgto);
 }