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Date: Thu, 4 Oct 2007 14:57:33 -0700 (PDT) From: James Morris <jmorris@...ei.org> To: Tony Battersby <tonyb@...ernetics.com> cc: netdev@...r.kernel.org, davem@...emloft.net Subject: Re: [PATCH] net: fix kernel_accept() error path On Thu, 4 Oct 2007, Tony Battersby wrote: > If accept() returns an error, kernel_accept() releases the new socket > but passes a pointer to the released socket back to the caller. Make it > pass back NULL instead. > > Signed-off-by: Tony Battersby <tonyb@...ernetics.com> > --- > --- linux-2.6.23-rc9/net/socket.c.bak 2007-10-04 15:21:17.000000000 -0400 > +++ linux-2.6.23-rc9/net/socket.c 2007-10-04 15:21:22.000000000 -0400 > @@ -2230,6 +2230,7 @@ int kernel_accept(struct socket *sock, s > err = sock->ops->accept(sock, *newsock, flags); > if (err < 0) { > sock_release(*newsock); > + *newsock = NULL; > goto done; > } > If you get an error back from kernel_accept, you should not be trying to use newsock. -- James Morris <jmorris@...ei.org> - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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