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Message-Id: <1421909406-1240-2-git-send-email-dudl@cypress.com> Date: Thu, 22 Jan 2015 14:50:06 +0800 From: Dudley Du <dudl@...ress.com> To: dmitry.torokhov@...il.com, jmmahler@...il.com, rydberg@...omail.se Cc: Dudley Du <dudl@...ress.com>, bleung@...gle.com, dan.carpenter@...cle.com, linux-input@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH 2/2] input: cyapa: fix variable dereferenced before check 'gen5_pip->resp_len' issue 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> --- 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 -- 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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