[PATCH] vgaarb: Downgrade userspace-triggerable messages to debug
From: Bjorn Helgaas
Date: Fri Nov 18 2016 - 09:12:06 EST
To avoid userspace-triggerable dmesg spam, downgrade messages in the sysfs
write parsing code to debug level.
Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
---
drivers/gpu/vga/vgaarb.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
index 3a8e9c6..f1312a9 100644
--- a/drivers/gpu/vga/vgaarb.c
+++ b/drivers/gpu/vga/vgaarb.c
@@ -1196,9 +1196,9 @@ static ssize_t vga_arb_write(struct file *file, const char __user *buf,
}
pdev = pci_get_domain_bus_and_slot(domain, bus, devfn);
if (!pdev) {
- pr_err("invalid PCI address %04x:%02x:%02x.%x\n",
- domain, bus, PCI_SLOT(devfn),
- PCI_FUNC(devfn));
+ pr_debug("invalid PCI address %04x:%02x:%02x.%x\n",
+ domain, bus, PCI_SLOT(devfn),
+ PCI_FUNC(devfn));
ret_val = -ENODEV;
goto done;
}
@@ -1212,7 +1212,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user *buf,
pr_debug("vgadev %p\n", vgadev);
if (vgadev == NULL) {
if (pdev) {
- vgaarb_err(&pdev->dev, "not a VGA device\n");
+ vgaarb_dbg(&pdev->dev, "not a VGA device\n");
pci_dev_put(pdev);
}
@@ -1232,7 +1232,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user *buf,
}
}
if (i == MAX_USER_CARDS) {
- vgaarb_err(&pdev->dev, "maximum user cards (%d) number reached, ignoring this one!\n",
+ vgaarb_dbg(&pdev->dev, "maximum user cards (%d) number reached, ignoring this one!\n",
MAX_USER_CARDS);
pci_dev_put(pdev);
/* XXX: which value to return? */