X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=net%2Fipv4%2Ftcp.c;h=dd401757eea1f0187b0e547828f794e62eb895b8;hb=0bffedbce90818228f554651baf8d7c75f2876d8;hp=a385fcaaa03beed9bfeabdebc12371e34e0649de;hpb=24adbc1676af4e134e709ddc7f34cf2adc2131e4;p=linux-2.6-microblaze.git

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);