staging: vme_user: added bound check to geoid
The geoid is a module parameter that allows users to hardcode the slot number. A bound check for geoid was added in the probe function because only values between 0 and less than VME_MAX_SLOT are valid. Signed-off-by: Riyan Dhiman <riyandhiman14@gmail.com> Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org> Link: https://lore.kernel.org/r/20240827125604.42771-2-riyandhiman14@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1059,6 +1059,12 @@ static int __init fake_init(void)
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struct vme_slave_resource *slave_image;
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struct vme_slave_resource *slave_image;
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struct vme_lm_resource *lm;
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struct vme_lm_resource *lm;
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if (geoid < 0 || geoid >= VME_MAX_SLOTS) {
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pr_err("VME geographical address must be between 0 and %d (exclusive), but got %d\n",
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VME_MAX_SLOTS, geoid);
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return -EINVAL;
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}
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/* We need a fake parent device */
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/* We need a fake parent device */
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vme_root = root_device_register("vme");
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vme_root = root_device_register("vme");
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if (IS_ERR(vme_root))
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if (IS_ERR(vme_root))
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@ -2252,6 +2252,12 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
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struct vme_dma_resource *dma_ctrlr;
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struct vme_dma_resource *dma_ctrlr;
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struct vme_lm_resource *lm;
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struct vme_lm_resource *lm;
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if (geoid < 0 || geoid >= VME_MAX_SLOTS) {
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dev_err(&pdev->dev, "VME geographical address must be between 0 and %d (exclusive), but got %d\n",
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VME_MAX_SLOTS, geoid);
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return -EINVAL;
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}
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/* If we want to support more than one of each bridge, we need to
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/* If we want to support more than one of each bridge, we need to
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* dynamically generate this so we get one per device
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* dynamically generate this so we get one per device
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*/
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*/
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