intel_quark_i2c_res and intel_quark_gpio_res are written by intel_quark_mfd_probe. Making them const can cause page fault.
[ 1.319934] BUG: unable to handle page fault for address: ffffffffc00be140 [ 1.320296] #PF: supervisor write access in kernel mode [ 1.320571] #PF: error_code(0x0003) - permissions violation [ 1.322419] RIP: 0010:intel_quark_mfd_probe+0xb7/0x23e [intel_quark_i2c_gpio] [ 1.327670] Call Trace: [ 1.327800] local_pci_probe+0x48/0x80 Fixes: c4a164f41554 (mfd: Constify static struct resources) Signed-off-by: Tong Zhang <[email protected]> --- drivers/mfd/intel_quark_i2c_gpio.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mfd/intel_quark_i2c_gpio.c b/drivers/mfd/intel_quark_i2c_gpio.c index fe8ca945f367..84ca7902e1df 100644 --- a/drivers/mfd/intel_quark_i2c_gpio.c +++ b/drivers/mfd/intel_quark_i2c_gpio.c @@ -72,7 +72,7 @@ static const struct dmi_system_id dmi_platform_info[] = { {} }; -static const struct resource intel_quark_i2c_res[] = { +static struct resource intel_quark_i2c_res[] = { [INTEL_QUARK_IORES_MEM] = { .flags = IORESOURCE_MEM, }, @@ -85,7 +85,7 @@ static struct mfd_cell_acpi_match intel_quark_acpi_match_i2c = { .adr = MFD_ACPI_MATCH_I2C, }; -static const struct resource intel_quark_gpio_res[] = { +static struct resource intel_quark_gpio_res[] = { [INTEL_QUARK_IORES_MEM] = { .flags = IORESOURCE_MEM, }, -- 2.25.1
