xen/privcmd: remove unused variable pageidx

Variable pageidx is assigned a value but it is never read, hence it
is redundant and can be removed. Cleans up clang warning:

drivers/xen/privcmd.c:199:2: warning: Value stored to 'pageidx'
is never read

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>

diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c
index feca75b..1c90918 100644 (file)
--- a/drivers/xen/privcmd.c
+++ b/drivers/xen/privcmd.c
@@ -191,13 +191,10 @@ static int traverse_pages_block(unsigned nelem, size_t size,
                                void *state)
 {
        void *pagedata;
-       unsigned pageidx;
        int ret = 0;
 
        BUG_ON(size > PAGE_SIZE);
 
-       pageidx = PAGE_SIZE;
-
        while (nelem) {
                int nr = (PAGE_SIZE/size);
                struct page *page;