| From | Paul Gortmaker <> | Subject | [34-longterm 112/260] irda: Correctly clean up self->ias_obj on irda_bind() failure. | Date | Sun, 2 Jan 2011 02:16:48 -0500 |
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From: David S. Miller <davem@davemloft.net>
commit 628e300cccaa628d8fb92aa28cb7530a3d5f2257 upstream.
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> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> --- net/irda/af_irda.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 2a4efce..6fae047 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -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; } -- 1.7.3.3
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