Re: [PATCH 1/3] lib80211: Handle const struct lib80211_crypto_ops in lib80211

[Simon Horman]

On Sat, May 11, 2024 at 06:32:38PM +0200, Christophe JAILLET wrote:
> lib80211_register_crypto_ops() and lib80211_unregister_crypto_ops() don't
> modify their "struct lib80211_crypto_ops *ops" argument. So, it can be
> declared as const.
> 
> Doing so, some adjustments are needed to also constify some date in
> "struct lib80211_crypt_data", "struct lib80211_crypto_alg" and the
> return value of lib80211_get_crypto_ops().
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
> ---
> Compile tested only.

Hi Christophe,

Unfortunately allmodconfig W=1 build on x86_64 with Clang says:

../libipw_wx.c:587:6: error: assigning to 'struct lib80211_crypto_ops *' from 'const struct lib80211_crypto_ops *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
 587 |         ops = lib80211_get_crypto_ops(alg);
     |             ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../libipw_wx.c:590:7: error: assigning to 'struct lib80211_crypto_ops *' from 'const struct lib80211_crypto_ops *' discards qualifiers [-Werror,-Wincompatible-pointer-types-discards-qualifiers]
 590 |                 ops = lib80211_get_crypto_ops(alg);
     |                     ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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