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From:   Liam Howlett <liam.howlett@oracle.com>
To:     "maple-tree@lists.infradead.org" <maple-tree@lists.infradead.org>,
        "linux-mm@kvack.org" <linux-mm@kvack.org>,
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        Peter Zijlstra <peterz@infradead.org>,
        Michel Lespinasse <walken.cr@gmail.com>,
        Liam Howlett <liam.howlett@oracle.com>
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>
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Clean up code by using vma_lookup() to look up a specific VMA.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---
 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