char: xilinx_hwicap: Fix NULL vs IS_ERR() bug

The devm_platform_ioremap_resource() function returns error pointers.
It never returns NULL.  Update the check accordingly.

Fixes: 6723718321 ("char: xilinx_hwicap: Modernize driver probe")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/ef647a9c-b1b7-4338-9bc0-28165ec2a367@moroto.mountain
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2024-02-20 12:02:31 +03:00 committed by Greg Kroah-Hartman
parent b44abdd294
commit 316459ba40

View File

@ -639,8 +639,8 @@ static int hwicap_setup(struct platform_device *pdev, int id,
dev_set_drvdata(dev, drvdata); dev_set_drvdata(dev, drvdata);
drvdata->base_address = devm_platform_ioremap_resource(pdev, 0); drvdata->base_address = devm_platform_ioremap_resource(pdev, 0);
if (!drvdata->base_address) { if (IS_ERR(drvdata->base_address)) {
retval = -ENODEV; retval = PTR_ERR(drvdata->base_address);
goto failed; goto failed;
} }