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Date: Fri, 31 Dec 2010 01:19:34 +0000 From: Malcolm Priestley <tvboxspy@...il.com> To: Jesper Juhl <jj@...osbits.net> Cc: linux-kernel@...r.kernel.org, Mauro Carvalho Chehab <mchehab@...radead.org> Subject: Re: [PATVH] media, dvb, IX2505V: Remember to free allocated memory in failure path (ix2505v_attach()). On Fri, 2010-12-31 at 00:11 +0100, Jesper Juhl wrote: > Hi, > > We may leak the storage allocated to 'state' in > drivers/media/dvb/frontends/ix2505v.c::ix2505v_attach() on error. > This patch makes sure we free the allocated memory in the failure case. > > > Signed-off-by: Jesper Juhl <jj@...osbits.net> > --- > ix2505v.c | 1 + > 1 file changed, 1 insertion(+) > > Compile tested only. > > diff --git a/drivers/media/dvb/frontends/ix2505v.c b/drivers/media/dvb/frontends/ix2505v.c > index 55f2eba..fcb173d 100644 > --- a/drivers/media/dvb/frontends/ix2505v.c > +++ b/drivers/media/dvb/frontends/ix2505v.c > @@ -293,6 +293,7 @@ struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe, > ret = ix2505v_read_status_reg(state); > > if (ret & 0x80) { > + kfree(state); > deb_i2c("%s: No IX2505V found\n", __func__); > goto error; > } > Memory is freed in... error: ix2505v_release(fe); return NULL; via... static int ix2505v_release(struct dvb_frontend *fe) { struct ix2505v_state *state = fe->tuner_priv; fe->tuner_priv = NULL; kfree(state); return 0; } Regards Malcolm -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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