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Message-ID: <20150122162201.GC18153@dtor-ws> Date: Thu, 22 Jan 2015 08:22:01 -0800 From: Dmitry Torokhov <dmitry.torokhov@...il.com> To: Dudley Du <dudl@...ress.com> Cc: jmmahler@...il.com, rydberg@...omail.se, bleung@...gle.com, dan.carpenter@...cle.com, linux-input@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/2] input: cyapa: fix variable dereferenced before check 'gen5_pip->resp_len' issue On Thu, Jan 22, 2015 at 02:50:06PM +0800, Dudley Du wrote: > Fixes the warning issue of the variable dereferenced before check > 'gen5_pip->resp_len' report by dan Carpenter. > > Signed-off-by: Dudley Du <dudl@...ress.com> Applied, thank you. > --- > drivers/input/mouse/cyapa_gen5.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/input/mouse/cyapa_gen5.c b/drivers/input/mouse/cyapa_gen5.c > index 69d9059..ed1af74 100644 > --- a/drivers/input/mouse/cyapa_gen5.c > +++ b/drivers/input/mouse/cyapa_gen5.c > @@ -2558,7 +2558,9 @@ static bool cyapa_gen5_irq_cmd_handler(struct cyapa *cyapa) > * trackpad device when booting/rebooting > * their chrome book. > */ > - length = *gen5_pip->resp_len; > + length = 0; > + if (gen5_pip->resp_len) > + length = *gen5_pip->resp_len; > cyapa_empty_pip_output_data(cyapa, > gen5_pip->resp_data, > &length, > -- > 1.9.1 > -- Dmitry -- 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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