[Bug 2042059] Re: Failed to build against linux-unstable 6.6.0-8-generic: error: 'struct genl_info' has no member named 'userhdr'

[Launchpad Bug Tracker]

This bug was fixed in the package backport-iwlwifi-dkms - 11510-0ubuntu1

---------------
backport-iwlwifi-dkms (11510-0ubuntu1) noble; urgency=low

  [You-Sheng Yang]
  * New release
    - upstream version 11510 commit 41e354fb5f32f. (LP: #2042059)
    - debian: refresh patches
  * dkms: bump OBSOLETE_BY version to v6.7.0

 -- You-Sheng Yang <vicamo at gmail.com>  Tue, 31 Oct 2023 14:39:23 +0800

** Changed in: backport-iwlwifi-dkms (Ubuntu Noble)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/2042059

Title:
  Failed to build against linux-unstable 6.6.0-8-generic: error: 'struct
  genl_info' has no member named 'userhdr'

Status in backport-iwlwifi-dkms package in Ubuntu:
  Fix Released
Status in backport-iwlwifi-dkms source package in Mantic:
  In Progress
Status in backport-iwlwifi-dkms source package in Noble:
  Fix Released

Bug description:
  [SRU Justification]

  [Impact]

  backport-iwlwifi-dkms fails to compile against kernel > 6.6 due to API
  changes.

  [Fix]

  Upstream fix commit 8fd541f76cdc ("backport: genetlink: adjust to
  info->userhdr removal").

  [Test Case]
  ```
  $ sudo add-apt-repository ppa:canonical-kernel-team/unstable
  $ sudo apt-get install linux-headers-generic-wip

  $ sudo add-apt-repository ppa:vicamo/ppa-2042059
  $ sudo apt-get install backport-iwlwifi-dkms
  ```

  [Where problems could occur]

  We're pulling new upstream version with around 200+ commits for
  backport-iwlwifi-dkms/noble, but only backport the required fix commit
  for mantic. Likely to expect issue in Noble only.

  [Other Info]

  Mantic is nominated because we're still using mantic environment for
  preparing linux-unstable.

  ========== original bug report ==========

  In file included from /var/lib/dkms/backport-iwlwifi/11289/build/drivers/net/wireless/intel/iwlwifi/iwl-tm-gnl.c:8:
  /var/lib/dkms/backport-iwlwifi/11289/build/backport-include/net/genetlink.h: In function '__bp_genl_info_userhdr_set':
  /var/lib/dkms/backport-iwlwifi/11289/build/backport-include/net/genetlink.h:9:13: error: 'struct genl_info' has no member named 'userhdr'
      9 |         info->userhdr = userhdr;
        |             ^~
  /var/lib/dkms/backport-iwlwifi/11289/build/backport-include/net/genetlink.h: In function '__bp_genl_info_userhdr':
  /var/lib/dkms/backport-iwlwifi/11289/build/backport-include/net/genetlink.h:14:20: error: 'struct genl_info' has no member named 'userhdr'
     14 |         return info->userhdr;
        |                    ^~
  /var/lib/dkms/backport-iwlwifi/11289/build/backport-include/net/genetlink.h: At top level:
  /var/lib/dkms/backport-iwlwifi/11289/build/backport-include/net/genetlink.h:48:21: error: conflicting types for 'genl_info_userhdr'; have 'void *(struct genl_info *)'
     48 | static inline void *genl_info_userhdr(struct genl_info *info)
        |                     ^~~~~~~~~~~~~~~~~
  In file included from /var/lib/dkms/backport-iwlwifi/11289/build/backport-include/net/genetlink.h:3:
  ./include/net/genetlink.h:126:21: note: previous definition of 'genl_info_userhdr' with type 'void *(const struct genl_info *)'
    126 | static inline void *genl_info_userhdr(const struct genl_info *info)
        |                     ^~~~~~~~~~~~~~~~~
  make[8]: *** [scripts/Makefile.build:251: /var/lib/dkms/backport-iwlwifi/11289/build/drivers/net/wireless/intel/iwlwifi/iwl-tm-gnl.o] Error 1
  make[8]: *** Waiting for unfinished jobs....

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