Re: [Intel-gfx] [PATCH 18/33] fbdev: make unregister/unlink functions not fail

From: kbuild test robot
Date: Mon May 20 2019 - 15:28:29 EST


Hi Daniel,

I love your patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.2-rc1 next-20190520]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Daniel-Vetter/fbcon-notifier-begone/20190521-021841
config: x86_64-randconfig-x003-201920 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

drivers/video/fbdev/savage/savagefb_driver.c: In function 'savagefb_remove':
>> drivers/video/fbdev/savage/savagefb_driver.c:2341:7: error: void value not ignored as it ought to be
if (unregister_framebuffer(info))
^~~~~~~~~~~~~~~~~~~~~~

vim +2341 drivers/video/fbdev/savage/savagefb_driver.c

^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2328
48c68c4f drivers/video/savage/savagefb_driver.c Greg Kroah-Hartman 2012-12-21 2329 static void savagefb_remove(struct pci_dev *dev)
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2330 {
b8901b09 drivers/video/savage/savagefb_driver.c Antonino A. Daplas 2006-01-09 2331 struct fb_info *info = pci_get_drvdata(dev);
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2332
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2333 DBG("savagefb_remove");
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2334
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2335 if (info) {
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2336 /*
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2337 * If unregister_framebuffer fails, then
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2338 * we will be leaving hooks that could cause
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2339 * oopsen laying around.
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2340 */
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 @2341 if (unregister_framebuffer(info))
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2342 printk(KERN_WARNING "savagefb: danger danger! "
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2343 "Oopsen imminent!\n");
^1da177e drivers/video/savage/savagefb_driver.c Linus Torvalds 2005-04-16 2344

:::::: The code at line 2341 was first introduced by commit
:::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2

:::::: TO: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>
:::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxx>

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