Re: [PATCH v1 1/1] Correct nr_types assignment for TPS6594/3 and TPS65224

From: Vignesh Raghavendra
Date: Mon Jun 03 2024 - 13:31:58 EST




On 03/06/24 22:35, Shree Ramamoorthy wrote:
> Swap nr_types assignment for TPS6594/3 and TPS65224.
> Issue detected with v6.10-rc1 and tested using a TI J7200 EVM board.
>
> Log:
> [ 13.974024] Call trace:
> [ 13.974025] _regulator_put.part.0+0x40/0x48
> [ 13.974028] regulator_register+0x2b0/0xa00
> [ 13.974031] devm_regulator_register+0x58/0xa0
> [ 13.974035] tps6594_regulator_probe+0x4e0/0x5f0 [tps6594_regulator]
> ...
> [ 13.974178] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000004
>
> Signed-off-by: Shree Ramamoorthy <s-ramamoorthy@xxxxxx>
> ---

Please add a appropriate Fixes: tag

> drivers/regulator/tps6594-regulator.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/regulator/tps6594-regulator.c b/drivers/regulator/tps6594-regulator.c
> index 4a859f4c0f83..b66608ab2546 100644
> --- a/drivers/regulator/tps6594-regulator.c
> +++ b/drivers/regulator/tps6594-regulator.c
> @@ -660,11 +660,11 @@ static int tps6594_regulator_probe(struct platform_device *pdev)
> } else if (tps->chip_id == TPS65224) {
> nr_buck = ARRAY_SIZE(tps65224_buck_regs);
> nr_ldo = ARRAY_SIZE(tps65224_ldo_regs);
> - nr_types = REGS_INT_NB;
> + nr_types = TPS65224_REGS_INT_NB;
> } else {
> nr_buck = ARRAY_SIZE(buck_regs);
> nr_ldo = ARRAY_SIZE(tps6594_ldo_regs);
> - nr_types = TPS65224_REGS_INT_NB;
> + nr_types = REGS_INT_NB;
> }
>
> reg_irq_nb = nr_types * (nr_buck + nr_ldo);
> --

--
Regards
Vignesh