From: Juergen Gross <jgross@xxxxxxxx>
[ Upstream commit 7dfa764e0223a324366a2a1fc056d4d9d4e95491 ]
Commit ad7f402ae4f4 ("xen/netback: Ensure protocol headers don't fall in
the non-linear area") introduced a (valid) build warning. There have
even been reports of this problem breaking networking of Xen guests.
Fixes: ad7f402ae4f4 ("xen/netback: Ensure protocol headers don't fall in the non-linear area")
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
Reviewed-by: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx>
Tested-by: Jason Andryuk <jandryuk@xxxxxxxxx>
Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 72379dae113a..fc389f2bba7a 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -523,7 +523,7 @@ 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;
--
2.35.1
