Toke Høiland-Jørgensen <toke@xxxxxxx> writes: > This partially reverts commit e161d4b60ae3a5356e07202e0bfedb5fad82c6aa. > > Turns out the channelmap variable is not actually read-only, it's modified > through the MCI_GPM_CLR_CHANNEL_BIT() macro further down in the function, > so making it read-only causes page faults when that code is hit. > > Link: https://bugzilla.kernel.org/show_bug.cgi?id=217183 > Fixes: e161d4b60ae3 ("wifi: ath9k: Make arrays prof_prio and channelmap static const") > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Toke Høiland-Jørgensen <toke@xxxxxxx> I guess the casting in MCI_GPM_CLR_CHANNEL_BIT() hide this and made it impossible for the compiler to detect it? A perfect example why I hate casting :) -- https://patchwork.kernel.org/project/linux-wireless/list/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches