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McKenney" , Matthew Wilcox , Laurent Dufour , David Rientjes , Axel Rasmussen , Suren Baghdasaryan , Vlastimil Babka , Rik van Riel , Peter Zijlstra , Michel Lespinasse , Liam Howlett Subject: [PATCH 11/94] net/ipv5/tcp: Use vma_lookup() in tcp_zerocopy_receive() Thread-Topic: [PATCH 11/94] net/ipv5/tcp: Use vma_lookup() in tcp_zerocopy_receive() Thread-Index: AQHXPEQp8UB2TyNdyk6saSzMjU+oUw== Date: Wed, 28 Apr 2021 15:35:48 +0000 Message-ID: <20210428153542.2814175-12-Liam.Howlett@Oracle.com> References: <20210428153542.2814175-1-Liam.Howlett@Oracle.com> In-Reply-To: <20210428153542.2814175-1-Liam.Howlett@Oracle.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.30.2 authentication-results: lists.infradead.org; dkim=none (message not signed) header.d=none;lists.infradead.org; dmarc=none action=none header.from=oracle.com; x-originating-ip: [23.233.25.87] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: e5531415-db87-4965-ec89-08d90a5b4bfa x-ms-traffictypediagnostic: CO1PR10MB4497: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:431; 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Signed-off-by: Liam R. Howlett --- net/ipv4/tcp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index e14fd0c50c10..d4781a514012 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2094,8 +2094,8 @@ static int tcp_zerocopy_receive(struct sock *sk, =20 mmap_read_lock(current->mm); =20 - vma =3D find_vma(current->mm, address); - if (!vma || vma->vm_start > address || vma->vm_ops !=3D &tcp_vm_ops) { + vma =3D vma_lookup(current->mm, address); + if (!vma || vma->vm_ops !=3D &tcp_vm_ops) { mmap_read_unlock(current->mm); return -EINVAL; } --=20 2.30.2