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spi: ti-qspi: Make sure res_mmap != NULL before dereferencing it
resource_size() is dereferencing the res without checking that it is
not NULL, so we need to do the check before calling resource_size().
Fixes: b95cb394ab
("spi: ti-qspi: Implement the spi_mem interface")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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parent
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@ -718,7 +718,9 @@ static int ti_qspi_probe(struct platform_device *pdev)
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"memory mapped resource not required\n");
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}
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}
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qspi->mmap_size = resource_size(res_mmap);
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if (res_mmap)
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qspi->mmap_size = resource_size(res_mmap);
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irq = platform_get_irq(pdev, 0);
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if (irq < 0) {
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