[PATCH] xen/netback: fix build warning

[Juergen Gross <jgross@xxxxxxxx>]

Commit ad7f402ae4f4 ("xen/netback: Ensure protocol headers don't fall in
the non-linear area") introduced a (valid) build warning.

Fix it.

Fixes: ad7f402ae4f4 ("xen/netback: Ensure protocol headers don't fall in the 
non-linear area")
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
 drivers/net/xen-netback/netback.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/xen-netback/netback.c 
b/drivers/net/xen-netback/netback.c
index 054ac0e897f6..bf627af723bf 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -530,7 +530,7 @@ static int xenvif_tx_check_gop(struct xenvif_queue *queue,
        const bool sharedslot = nr_frags &&
                                frag_get_pending_idx(&shinfo->frags[0]) ==
                                    copy_pending_idx(skb, copy_count(skb) - 1);
-       int i, err;
+       int i, err = 0;
 
        for (i = 0; i < copy_count(skb); i++) {
                int newerr;
-- 
2.35.3