Hi Tobias, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 118253a593bd1c57de2d1193df1ccffe1abe745b commit: c0f0c177b5a9aa6d3791aa497a64a20a297ebc6f drm/udl: make fbdev support really optional date: 4 weeks ago config: x86_64-randconfig-b0-08142022 (attached as .config) compiler: gcc-4.4 (Debian 4.4.7-8) 4.4.7 reproduce: git checkout c0f0c177b5a9aa6d3791aa497a64a20a297ebc6f # save the attached .config to linux build tree make ARCH=x86_64 All errors (new ones prefixed by >>): drivers/gpu/drm/udl/udl_fb.c: In function 'udl_fb_open': >> drivers/gpu/drm/udl/udl_fb.c:206: error: 'struct fb_info' has no member >> named 'fbdefio' >> drivers/gpu/drm/udl/udl_fb.c:211: error: invalid application of 'sizeof' to >> incomplete type 'struct fb_deferred_io' drivers/gpu/drm/udl/udl_fb.c:214: error: dereferencing pointer to incomplete type drivers/gpu/drm/udl/udl_fb.c:215: error: dereferencing pointer to incomplete type drivers/gpu/drm/udl/udl_fb.c:218: error: 'struct fb_info' has no member named 'fbdefio' drivers/gpu/drm/udl/udl_fb.c: In function 'udl_fb_release': drivers/gpu/drm/udl/udl_fb.c:238: error: 'struct fb_info' has no member named 'fbdefio' drivers/gpu/drm/udl/udl_fb.c:240: error: 'struct fb_info' has no member named 'fbdefio' drivers/gpu/drm/udl/udl_fb.c:241: error: 'struct fb_info' has no member named 'fbdefio' vim +206 drivers/gpu/drm/udl/udl_fb.c 5320918b Dave Airlie 2010-12-15 200 /* If the USB device is gone, we don't accept new opens */ 5320918b Dave Airlie 2010-12-15 201 if (drm_device_is_unplugged(udl->ddev)) 5320918b Dave Airlie 2010-12-15 202 return -ENODEV; 5320918b Dave Airlie 2010-12-15 203 5320918b Dave Airlie 2010-12-15 204 ufbdev->fb_count++; 5320918b Dave Airlie 2010-12-15 205 5320918b Dave Airlie 2010-12-15 @206 if (fb_defio && (info->fbdefio == NULL)) { 5320918b Dave Airlie 2010-12-15 207 /* enable defio at last moment if not disabled by client */ 5320918b Dave Airlie 2010-12-15 208 5320918b Dave Airlie 2010-12-15 209 struct fb_deferred_io *fbdefio; 5320918b Dave Airlie 2010-12-15 210 5320918b Dave Airlie 2010-12-15 @211 fbdefio = kmalloc(sizeof(struct fb_deferred_io), GFP_KERNEL); 5320918b Dave Airlie 2010-12-15 212 5320918b Dave Airlie 2010-12-15 213 if (fbdefio) { 5320918b Dave Airlie 2010-12-15 214 fbdefio->delay = DL_DEFIO_WRITE_DELAY; :::::: The code at line 206 was first introduced by commit :::::: 5320918b9a87865223fd6b228e530bf30bc64d9d drm/udl: initial UDL driver (v4) :::::: TO: Dave Airlie <[email protected]> :::::: CC: Dave Airlie <[email protected]> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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