On 2024-08-30 12:16:46+0000, Helge Deller wrote: > On 8/30/24 11:45, Thomas Weißschuh wrote: > > Introduce a device-managed variant of register_framebuffer() which > > automatically unregisters the framebuffer on device destruction. > > This can simplify the error handling and resource management in drivers. > > > > Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx> > > --- > > This is a fixed resend of [0], which was broken. > > Thanks to Bert [1], and Chaitanya Kumar [2] > > for reporting the issue. > > > > [0] https://lore.kernel.org/lkml/20240827-efifb-sysfs-v1-3-c9cc3e052180@xxxxxxxxxxxxxx/ > > [1] https://lore.kernel.org/lkml/20240829224124.2978-1-spasswolf@xxxxxx/ > > [2] https://lore.kernel.org/lkml/SJ1PR11MB612925C1C533C09F8F62F7CBB9972@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/ > > I've applied this patch to the fbdev git tree. > Please double check at > https://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev.git/log/?h=for-next Looks good. Sorry for the extra effort necessary. > Can you please check if this fixes this new report too: > https://marc.info/?l=linux-fbdev&m=172500784802901&w=2 I double check it and am decently sure it's the same issue. It tries to unregister the framebuffer but then notices that it never was registered in the first place. > > Helge, I didn't document the function devm_unregister_framebuffer() as > > it is only an internal helper and will ever only used by one user, > > similar to other helpers in fbmem.c. > > Ok. > > Helge