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spi: aspeed: Fix an IS_ERR() vs NULL bug in probe() 

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

Fixes: 64d87ccfae ("spi: aspeed: Only map necessary address window region")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://patch.msgid.link/aPJpEnfK31pHz8_w@stanley.mountain
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dan Carpenter 2025-10-17 19:04:34 +03:00 committed by Mark Brown
parent d77daa4908
commit 0cc08c8130
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GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 2 deletions
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4
drivers/spi/spi-aspeed-smc.c
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@ -865,9 +865,9 @@ static int aspeed_spi_probe(struct platform_device *pdev)
return PTR_ERR(aspi->regs);
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (IS_ERR(res)) {
if (!res) {
dev_err(dev, "missing AHB memory\n");
return PTR_ERR(res);
return -EINVAL;
}
aspi->ahb_window_size = resource_size(res);