xen/netback: fix build warning

[ 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@suse.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Ross Lagerwall <ross.lagerwall@citrix.com>
Tested-by: Jason Andryuk <jandryuk@gmail.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Juergen Gross 2022-12-07 08:19:38 +01:00 committed by Greg Kroah-Hartman
parent 99669d94ce
commit f0af234e2e

View File

@ -523,7 +523,7 @@ static int xenvif_tx_check_gop(struct xenvif_queue *queue,
const bool sharedslot = nr_frags && const bool sharedslot = nr_frags &&
frag_get_pending_idx(&shinfo->frags[0]) == frag_get_pending_idx(&shinfo->frags[0]) ==
copy_pending_idx(skb, copy_count(skb) - 1); copy_pending_idx(skb, copy_count(skb) - 1);
int i, err; int i, err = 0;
for (i = 0; i < copy_count(skb); i++) { for (i = 0; i < copy_count(skb); i++) {
int newerr; int newerr;