Commit 628e300c authored Aug 30, 2010 by David S. Miller

irda: Correctly clean up self->ias_obj on irda_bind() failure.



If irda_open_tsap() fails, the irda_bind() code tries to destroy
the ->ias_obj object by hand, but does so wrongly.

In particular, it fails to a) release the hashbin attached to the
object and b) reset the self->ias_obj pointer to NULL.

Fix both problems by using irias_delete_object() and explicitly
setting self->ias_obj to NULL, just as irda_release() does.

Reported-by: Tavis Ormandy <taviso@cmpxchg8b.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 7619b1b2

net/irda/af_irda.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -824,8 +824,8 @@ static int irda_bind(struct socket sock, struct sockaddr uaddr, int addr_len)

		err = irda_open_tsap(self, addr->sir_lsap_sel, addr->sir_name);
		if (err < 0) {
		kfree(self->ias_obj->name);
		kfree(self->ias_obj);
		irias_delete_object(self->ias_obj);
		self->ias_obj = NULL;
		goto out;
		}