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* [PATCH v2] ipv4: fix error path in fou_create()
@ 2021-08-08  5:49 Kangmin Park
  0 siblings, 0 replies; only message in thread
From: Kangmin Park @ 2021-08-08  5:49 UTC (permalink / raw)
  To: David S. Miller
  Cc: Hideaki YOSHIFUJI, David Ahern, Jakub Kicinski, netdev, linux-kernel

sock is always NULL when udp_sock_create() is failed and fou is
always NULL when kzalloc() is failed.

So, add error_sock and error_alloc label and fix the error path
in those cases.

Signed-off-by: Kangmin Park <>
 - change commit message
 - fix error path

 net/ipv4/fou.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 60d67ae76880..f1d99e776bb8 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -578,7 +578,7 @@ static int fou_create(struct net *net, struct fou_cfg *cfg,
 	fou = kzalloc(sizeof(*fou), GFP_KERNEL);
 	if (!fou) {
 		err = -ENOMEM;
-		goto error;
+		goto error_alloc;
 	sk = sock->sk;
@@ -627,9 +627,10 @@ static int fou_create(struct net *net, struct fou_cfg *cfg,
 	if (sock)
 	return err;

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2021-08-08  5:49 [PATCH v2] ipv4: fix error path in fou_create() Kangmin Park

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