Commit a4fa4589 authored by Alexei Starovoitov's avatar Alexei Starovoitov
Browse files

bpfilter: Initialize pos variable 



Make sure 'pos' is initialized to zero before calling kernel_write().

Fixes: d2ba09c1 ("net: add skeleton of bpfilter kernel module")
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
parent ec2ffdf6

net/bpfilter/bpfilter_kern.c

+1 −0
Original line number Diff line number Diff line
@@ -48,6 +48,7 @@ static int __bpfilter_process_sockopt(struct sock *sk, int optname, 
	req.len = optlen;

	if (!bpfilter_ops.info.tgid)

		goto out;

	pos = 0;

	n = kernel_write(bpfilter_ops.info.pipe_to_umh, &req, sizeof(req),

			   &pos);

	if (n != sizeof(req)) {

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