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Message-Id: <20210301161144.528704289@linuxfoundation.org>
Date:   Mon,  1 Mar 2021 17:05:04 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Douglas Anderson <dianders@...omium.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 056/663] soc: qcom: socinfo: Fix an off by one in qcom_show_pmic_model()

From: Dan Carpenter <dan.carpenter@...cle.com>

[ Upstream commit 5fb33d8960dc7abdabc6fe599a30c2c99b082ef6 ]

These need to be < ARRAY_SIZE() instead of <= ARRAY_SIZE() to prevent
accessing one element beyond the end of the array.

Acked-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Reviewed-by: Douglas Anderson <dianders@...omium.org>
Reviewed-by: Stephen Boyd <swboyd@...omium.org>
Fixes: e9247e2ce577 ("soc: qcom: socinfo: fix printing of pmic_model")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
Link: https://lore.kernel.org/r/YAf+o85Z9lgkq3Nw@mwanda
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/soc/qcom/socinfo.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c
index b44ede48decc0..e0620416e5743 100644
--- a/drivers/soc/qcom/socinfo.c
+++ b/drivers/soc/qcom/socinfo.c
@@ -280,7 +280,7 @@ static int qcom_show_pmic_model(struct seq_file *seq, void *p)
 	if (model < 0)
 		return -EINVAL;
 
-	if (model <= ARRAY_SIZE(pmic_models) && pmic_models[model])
+	if (model < ARRAY_SIZE(pmic_models) && pmic_models[model])
 		seq_printf(seq, "%s\n", pmic_models[model]);
 	else
 		seq_printf(seq, "unknown (%d)\n", model);
-- 
2.27.0



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