linux-kernel - [PATCH] xen/netback: fix build warning

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Date:   Wed,  7 Dec 2022 08:23:49 +0100
From:   Juergen Gross <jgross@...e.com>
To:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Cc:     Juergen Gross <jgross@...e.com>, Wei Liu <wei.liu@...nel.org>,
        Paul Durrant <paul@....org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>, xen-devel@...ts.xenproject.org
Subject: [PATCH] xen/netback: fix build warning

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@...e.com>
---
 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