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 Can you please check if this fixes this new report too: https://marc.info/?l=linux-fbdev&m=172500784802901&w=2
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
