commit ee493fa5d91dec02402239a072820b18beb36265
author Andy Shevchenko <andriy.shevchenko@linux.intel.com> Mon Mar 06 20:31:11 2023 +0200
committer Mark Brown <broonie@kernel.org> Tue Mar 07 13:58:31 2023 +0000
tree 1071728266c1329be5bc2bb482f4b8f8f7fad7ba
parent c7cc588bf0054ce33a11b98d05859105c046c706

spi: mpc5xxx-psc: Correct error check for devm_platform_get_and_ioremap_resource()

devm_platform_get_and_ioremap_resource() may return pointer or error
pointer, never the NULL. Correct error check for it.

Fixes: 60a6c8257f41 ("spi: mpc5xxx-psc: Use platform resources instead of parsing DT properties")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230306183115.87314-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/spi/spi-mpc512x-psc.c

diff --git a/drivers/spi/spi-mpc512x-psc.c b/drivers/spi/spi-mpc512x-psc.c
index 5bdfe4a..a2ea24a 100644
--- a/drivers/spi/spi-mpc512x-psc.c
+++ b/drivers/spi/spi-mpc512x-psc.c
@@ -483,8 +483,8 @@ static int mpc512x_psc_spi_of_probe(struct platform_device *pdev)
 	master->dev.of_node = dev->of_node;
 
 	tempp = devm_platform_get_and_ioremap_resource(pdev, 0, NULL);
-	if (!tempp)
-		return dev_err_probe(dev, -EFAULT, "could not ioremap I/O port range\n");
+	if (IS_ERR(tempp))
+		return dev_err_probe(dev, PTR_ERR(tempp), "could not ioremap I/O port range\n");
 	mps->psc = tempp;
 	mps->fifo =
 		(struct mpc512x_psc_fifo *)(tempp + sizeof(struct mpc52xx_psc));