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[NET]: Make sure sockets implement splice_read

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Fixes a segmentation fault when trying to splice from a non-TCP socket.

Signed-off-by: Rémi Denis-Courmont <rdenis@simphalempin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rémi Denis-Courmont 2008-02-15 02:35:45 -08:00 committed by David S. Miller
parent 69c3683ca7
commit 997b37da15
1 changed files with 3 additions and 0 deletions
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3
net/socket.c
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@ -701,6 +701,9 @@ static ssize_t sock_splice_read(struct file *file, loff_t *ppos,
{ {
struct socket *sock = file->private_data; struct socket *sock = file->private_data;
if (unlikely(!sock->ops->splice_read))
return -EINVAL;
return sock->ops->splice_read(sock, ppos, pipe, len, flags); return sock->ops->splice_read(sock, ppos, pipe, len, flags);
} }