Re: [PATCH] soc: fsl: cpm1: qmc: Fix error check for devm_ioremap_resource() in qmc_qe_init_resources()
From: Herve Codina
Date: Mon Feb 09 2026 - 02:51:32 EST
Hi Chen,
On Mon, 9 Feb 2026 09:59:04 +0800
Chen Ni <nichen@xxxxxxxxxxx> wrote:
> Fix wrong variable used for error checking after devm_ioremap_resource()
> call. The function checks qmc->scc_pram instead of qmc->dpram, which
> could lead to incorrect error handling.
>
> Fixes: eb680d563089 ("soc: fsl: cpm1: qmc: Add support for QUICC Engine (QE) implementation")
> Signed-off-by: Chen Ni <nichen@xxxxxxxxxxx>
> ---
> drivers/soc/fsl/qe/qmc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/soc/fsl/qe/qmc.c b/drivers/soc/fsl/qe/qmc.c
> index c4587b32a59b..672adff8e35f 100644
> --- a/drivers/soc/fsl/qe/qmc.c
> +++ b/drivers/soc/fsl/qe/qmc.c
> @@ -1790,8 +1790,8 @@ static int qmc_qe_init_resources(struct qmc *qmc, struct platform_device *pdev)
> return -EINVAL;
> qmc->dpram_offset = res->start - qe_muram_dma(qe_muram_addr(0));
> qmc->dpram = devm_ioremap_resource(qmc->dev, res);
> - if (IS_ERR(qmc->scc_pram))
> - return PTR_ERR(qmc->scc_pram);
> + if (IS_ERR(qmc->dpram))
> + return PTR_ERR(qmc->dpram);
>
> return 0;
> }
Yes, indeed.
Thanks for the fix.
Acked-by: Herve Codina <herve.codina@xxxxxxxxxxx>
Best regards,
Hervé