vgaarb: Downgrade userspace-triggerable messages to debug
To avoid userspace-triggerable dmesg spam, downgrade messages in the sysfs write parsing code to debug level. Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20161118141158.32415.71438.stgit@bhelgaas-glaptop.roam.corp.google.com
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a75d68f621
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@ -1191,9 +1191,9 @@ static ssize_t vga_arb_write(struct file *file, const char __user *buf,
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}
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pdev = pci_get_domain_bus_and_slot(domain, bus, devfn);
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if (!pdev) {
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pr_err("invalid PCI address %04x:%02x:%02x.%x\n",
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domain, bus, PCI_SLOT(devfn),
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PCI_FUNC(devfn));
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pr_debug("invalid PCI address %04x:%02x:%02x.%x\n",
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domain, bus, PCI_SLOT(devfn),
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PCI_FUNC(devfn));
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ret_val = -ENODEV;
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goto done;
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}
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@ -1207,7 +1207,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user *buf,
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pr_debug("vgadev %p\n", vgadev);
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if (vgadev == NULL) {
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if (pdev) {
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vgaarb_err(&pdev->dev, "not a VGA device\n");
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vgaarb_dbg(&pdev->dev, "not a VGA device\n");
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pci_dev_put(pdev);
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}
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@ -1227,7 +1227,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user *buf,
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}
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}
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if (i == MAX_USER_CARDS) {
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vgaarb_err(&pdev->dev, "maximum user cards (%d) number reached, ignoring this one!\n",
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vgaarb_dbg(&pdev->dev, "maximum user cards (%d) number reached, ignoring this one!\n",
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MAX_USER_CARDS);
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pci_dev_put(pdev);
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/* XXX: which value to return? */
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