Annotate this variable as __ro_after_init to protect it from being overwritten later. Signed-off-by: Heiner Kallweit <hkallweit1@xxxxxxxxx> --- drivers/i2c/busses/i2c-i801.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 6d027a77d..e577abc77 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -1060,7 +1060,7 @@ static const struct pci_device_id i801_ids[] = { MODULE_DEVICE_TABLE(pci, i801_ids); #if defined CONFIG_X86 && defined CONFIG_DMI -static unsigned char apanel_addr; +static unsigned char apanel_addr __ro_after_init; /* Scan the system ROM for the signature "FJKEYINF" */ static __init const void __iomem *bios_signature(const void __iomem *bios) -- 2.44.0