[PATCH] soc: qcom: socinfo: Fix an off by one in qcom_show_pmic_model()

From: Dan Carpenter
Date: Wed Jan 20 2021 - 05:26:01 EST


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

Fixes: e9247e2ce577 ("soc: qcom: socinfo: fix printing of pmic_model")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/soc/qcom/socinfo.c | 2 +-
1 file changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/soc/qcom/socinfo.c b/drivers/soc/qcom/socinfo.c
index a985ed064669..5b4ad24a022b 100644
--- a/drivers/soc/qcom/socinfo.c
+++ b/drivers/soc/qcom/socinfo.c
@@ -309,7 +309,7 @@ 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);
--
2.29.2