[PATCH next] spi: stm32-ospi: Fix an IS_ERR() vs NULL bug in stm32_ospi_get_resources()
From: Dan Carpenter
Date: Thu Mar 06 2025 - 04:50:38 EST
The devm_ioremap() function returns NULL on error, it doesn't return
error pointers. Fix the check to match.
Fixes: 79b8a705e26c ("spi: stm32: Add OSPI driver")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/spi/spi-stm32-ospi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/spi-stm32-ospi.c b/drivers/spi/spi-stm32-ospi.c
index 8eadcb64f34a..a544d7897edf 100644
--- a/drivers/spi/spi-stm32-ospi.c
+++ b/drivers/spi/spi-stm32-ospi.c
@@ -835,10 +835,10 @@ static int stm32_ospi_get_resources(struct platform_device *pdev)
if (rmem) {
ospi->mm_size = rmem->size;
ospi->mm_base = devm_ioremap(dev, rmem->base, rmem->size);
- if (IS_ERR(ospi->mm_base)) {
+ if (!ospi->mm_base) {
dev_err(dev, "unable to map memory region: %pa+%pa\n",
&rmem->base, &rmem->size);
- ret = PTR_ERR(ospi->mm_base);
+ ret = -ENOMEM;
goto err_dma;
}
--
2.47.2