From: John Hubbard <jhubb...@nvidia.com> Hi,
I just ran into this while building other things against today's linux.git. For the !CONFIG_PROVE_LOCKING case, the "class" variable is left unused. Rather than tease apart the functionality in lockdep_stats_show(), where class is used to increment up to 15 local variables, this patch merely adds yet another ifdef to fix the build warning. I'll leave it to a larger cleanup effort (which is probably not worth the churn, actually) to avoid all of the ifdef slicing up of these routines. John Hubbard (1): lockdep: fix an unused variable warning kernel/locking/lockdep_proc.c | 2 ++ 1 file changed, 2 insertions(+) -- 2.22.0