netback: fix typo in comment

"variables a used" should be "variables are used".

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index 0d374be801067399d3bec933d8371d552638815f..17334ddbcd7e507d0b0dba249b518e94ad651cff 100644 (file)
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -382,7 +382,7 @@ static void netbk_gop_frag_copy(struct xenvif *vif, struct sk_buff *skb,
        struct gnttab_copy *copy_gop;
        struct netbk_rx_meta *meta;
        /*
-        * These variables a used iff get_page_ext returns true,
+        * These variables are used iff get_page_ext returns true,
         * in which case they are guaranteed to be initialized.
         */
        unsigned int uninitialized_var(group), uninitialized_var(idx);