This patch fixes the build error if CONFIG_DEBUG_FS is not enabled. Otherwise, below error will be triggered. tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 89a39f3c7086301342175c461c4db43c68d34cc7 commit: 4f0955fcc052b556446f6f041ad8c83d70c3b253 [6871/9973] drm/amdgpu: export test ib debugfs interface config: x86_64-randconfig-s1-06281413 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: git checkout 4f0955fcc052b556446f6f041ad8c83d70c3b253 # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): >> ERROR: "amdgpu_debugfs_test_ib_ring_init" [drivers/gpu/drm/amd/amdgpu/ amdgpu.ko] undefined! Reported-by: kbuild test robot <fengguang.wu at intel.com> Signed-off-by: Huang Rui <ray.huang at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 9cf7cdf..97c98bd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3899,7 +3899,7 @@ int amdgpu_debugfs_init(struct drm_minor *minor) return 0; } #else -static int amdgpu_debugfs_test_ib_init(struct amdgpu_device *adev) +static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device *adev) { return 0; } -- 2.7.4
