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char: xilinx_hwicap: Fix NULL vs IS_ERR() bug

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[ Upstream commit 316459ba40 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2024-02-20 12:02:31 +03:00 committed by Sasha Levin
parent e1100e7a5a
commit 6595eae98a
1 changed files with 2 additions and 2 deletions
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4
drivers/char/xilinx_hwicap/xilinx_hwicap.c
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@ -639,8 +639,8 @@ static int hwicap_setup(struct platform_device *pdev, int id,
dev_set_drvdata(dev, (void *)drvdata);
drvdata->base_address = devm_platform_ioremap_resource(pdev, 0);
if (!drvdata->base_address) {
retval = -ENODEV;
if (IS_ERR(drvdata->base_address)) {
retval = PTR_ERR(drvdata->base_address);
goto failed;
}