compiz team mailing list archive

[Kevin Remisoski <2098575@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

When upgrading to kernel 6.11.0-17-generic, the vhba DKMS module fails
to build with the following error:

/var/lib/dkms/vhba/20240202/build/vhba.c:1087:15: error: initialization of ‘void (*)(struct platform_device *)’ from incompatible pointer type ‘int (*)(struct platform_device *)’ [-Werror=incompatible-pointer-types]
  1087 |     .remove = vhba_remove,
        |               ^~~~~~~~~~~
/var/lib/dkms/vhba/20240202/build/vhba.c:1087:15: note: (near initialization for ‘vhba_platform_driver.<anonymous>.remove’)
cc1: all warnings being treated as errors

This appears to be due to a mismatch between the expected function
signature for the .remove callback in the platform_driver structure and
the implementation in the vhba module.

Steps to reproduce:
1. Upgrade to kernel 6.11.0-17-generic.
2. Attempt to build the vhba DKMS module.
3. Observe the build failure.

Additional information:
- Ubuntu version: 24.04 (if applicable)
- Kernel version: 6.11.0-17-generic
- vhba module version: 20240202
- Full build log: /var/lib/dkms/vhba/20240202/build/make.log

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "make.log"
   https://bugs.launchpad.net/bugs/2098575/+attachment/5857835/+files/make.log

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https://bugs.launchpad.net/bugs/2098575

Title:
  DKMS build failure for vhba module on kernel 6.11.0-17-generic due to
  incompatible function pointer type

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