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Subject: media: imx-pxp: Fix ERR_PTR dereference in pxp_probe() Author: Harshit Mogalapalli harshit.m.mogalapalli@oracle.com Date: Tue May 14 02:50:38 2024 -0700

devm_regmap_init_mmio() can fail, add a check and bail out in case of error.

Fixes: 4e5bd3fdbeb3 ("media: imx-pxp: convert to regmap") Cc: stable@vger.kernel.org Signed-off-by: Harshit Mogalapalli harshit.m.mogalapalli@oracle.com Reviewed-by: Laurent Pinchart laurent.pinchart@ideasonboard.com Link: https://lore.kernel.org/r/20240514095038.3464191-1-harshit.m.mogalapalli@ora... Signed-off-by: Laurent Pinchart laurent.pinchart@ideasonboard.com

drivers/media/platform/nxp/imx-pxp.c | 3 +++ 1 file changed, 3 insertions(+)

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diff --git a/drivers/media/platform/nxp/imx-pxp.c b/drivers/media/platform/nxp/imx-pxp.c index e62dc5c1a4ae..e4427e6487fb 100644 --- a/drivers/media/platform/nxp/imx-pxp.c +++ b/drivers/media/platform/nxp/imx-pxp.c @@ -1805,6 +1805,9 @@ static int pxp_probe(struct platform_device *pdev) return PTR_ERR(mmio); dev->regmap = devm_regmap_init_mmio(&pdev->dev, mmio, &pxp_regmap_config); + if (IS_ERR(dev->regmap)) + return dev_err_probe(&pdev->dev, PTR_ERR(dev->regmap), + "Failed to init regmap\n");

irq = platform_get_irq(pdev, 0); if (irq < 0)