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-rw-r--r--net/ipv4/tcp.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index a385fcaaa03b..dd401757eea1 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1764,10 +1764,11 @@ static int tcp_zerocopy_receive(struct sock *sk,
down_read(&current->mm->mmap_sem);
- ret = -EINVAL;
vma = find_vma(current->mm, address);
- if (!vma || vma->vm_start > address || vma->vm_ops != &tcp_vm_ops)
- goto out;
+ if (!vma || vma->vm_start > address || vma->vm_ops != &tcp_vm_ops) {
+ up_read(&current->mm->mmap_sem);
+ return -EINVAL;
+ }
zc->length = min_t(unsigned long, zc->length, vma->vm_end - address);
tp = tcp_sk(sk);