macvtap: fix the uninitialized var using in macvtap_alloc_skb()
Commit d1b08284 use new frag API but would leave f to be used
uninitialized, this patch fix it.
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 7c3f84a..3da5578 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -453,7 +453,6 @@
int copy = skb_headlen(skb);
int size, offset1 = 0;
int i = 0;
- skb_frag_t *f;
/* Skip over from offset */
while (count && (offset >= from->iov_len)) {
@@ -503,14 +502,13 @@
skb->truesize += len;
atomic_add(len, &skb->sk->sk_wmem_alloc);
while (len) {
- __skb_fill_page_desc(
- skb, i, page[i],
- base & ~PAGE_MASK,
- min_t(int, len, PAGE_SIZE - f->page_offset));
+ int off = base & ~PAGE_MASK;
+ int size = min_t(int, len, PAGE_SIZE - off);
+ __skb_fill_page_desc(skb, i, page[i], off, size);
skb_shinfo(skb)->nr_frags++;
/* increase sk_wmem_alloc */
- base += f->size;
- len -= f->size;
+ base += size;
+ len -= size;
i++;
}
offset1 = 0;