spi: spi_amd: Fix an IS_ERR() vs NULL check in probe

The devm_ioremap() function returns NULL on error, it doesn't
return error pointers.  Update the error checking to match.

Fixes: b644c2776652 ("spi: spi_amd: Add PCI-based driver for AMD HID2 SPI controller")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/0e0f5ede-8993-4fac-967c-51e46b095416@stanley.mountain
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/drivers/spi/spi-amd-pci.c b/drivers/spi/spi-amd-pci.c
index e1ecab755fe93dbf2589c28011cb28e48349ceb3..e5faab414c172653562f5f7bec96109a26e0f567 100644 (file)
--- a/drivers/spi/spi-amd-pci.c
+++ b/drivers/spi/spi-amd-pci.c
@@ -46,8 +46,8 @@ static int amd_spi_pci_probe(struct pci_dev *pdev,
        io_base_addr = (io_base_addr & AMD_SPI_BASE_ADDR_MASK) + AMD_HID2_PCI_BAR_OFFSET;
        amd_spi->io_remap_addr = devm_ioremap(dev, io_base_addr, AMD_HID2_MEM_SIZE);
 
-       if (IS_ERR(amd_spi->io_remap_addr))
-               return dev_err_probe(dev, PTR_ERR(amd_spi->io_remap_addr),
+       if (!amd_spi->io_remap_addr)
+               return dev_err_probe(dev, -ENOMEM,
                                "ioremap of SPI registers failed\n");
 
        dev_dbg(dev, "io_remap_address: %p\n", amd_spi->io_remap_addr);