In the function check_acpi_dev(), if it fails to create platform device, the return value is ERR_PTR() or NULL. Thus it must use IS_ERR_OR_NULL to check return value. --- v2->v3 - Modify format v3->v4 - Change commit number to 12 characters Lu Wei (2): intel-hid: Fix return value check in check_acpi_dev() intel-vbtn: Fix return value check in check_acpi_dev() drivers/platform/x86/intel-hid.c | 2 +- drivers/platform/x86/intel-vbtn.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) -- 2.7.4