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media: imx-pxp: Fix ERR_PTR dereference in pxp_probe()

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BugLink: https://bugs.launchpad.net/bugs/2083196

commit 57e9ce68ae98551da9c161aaab12b41fe8601856 upstream.

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

Fixes: 4e5bd3fdbe ("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@oracle.com
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Portia Stephens <portia.stephens@canonical.com>
Signed-off-by: Roxana Nicolescu <roxana.nicolescu@canonical.com>
This commit is contained in:
Harshit Mogalapalli
2024-05-14 02:50:38 -07:00
committed by Mehmet Basaran
parent 1580a5458e
commit 162b5bd136
1 changed files with 3 additions and 0 deletions
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drivers/media/platform/nxp/imx-pxp.c
+3
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@@ -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)