diff options
| author | Kevin Hilman <khilman@linaro.org> | 2015-11-04 10:01:20 -0800 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2015-11-04 10:01:20 -0800 |
| commit | 49bd04cb11e57c4cd4d2c00feca898537dd6db1f (patch) | |
| tree | 846c594b2b1d2f203c24ff32569b6c615822a5dc /drivers/base/cacheinfo.c | |
| parent | 260409578ecbf7ce1725b85f9c082312bff808c0 (diff) | |
| parent | 12ba397b828b7e7f5d28a73e9a2ee14470b7edc7 (diff) | |
Merge tag 'v4.1.12-rt12' of git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel into v4.1/topic/rtv4.1/topic/rt
v4.1.12-rt12
Diffstat (limited to 'drivers/base/cacheinfo.c')
| -rw-r--r-- | drivers/base/cacheinfo.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index df0c66cb7ad3..fdba441457ec 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -148,7 +148,11 @@ static void cache_shared_cpu_map_remove(unsigned int cpu) if (sibling == cpu) /* skip itself */ continue; + sib_cpu_ci = get_cpu_cacheinfo(sibling); + if (!sib_cpu_ci->info_list) + continue; + sib_leaf = sib_cpu_ci->info_list + index; cpumask_clear_cpu(cpu, &sib_leaf->shared_cpu_map); cpumask_clear_cpu(sibling, &this_leaf->shared_cpu_map); @@ -159,6 +163,9 @@ static void cache_shared_cpu_map_remove(unsigned int cpu) static void free_cache_attributes(unsigned int cpu) { + if (!per_cpu_cacheinfo(cpu)) + return; + cache_shared_cpu_map_remove(cpu); kfree(per_cpu_cacheinfo(cpu)); @@ -514,8 +521,7 @@ static int cacheinfo_cpu_callback(struct notifier_block *nfb, break; case CPU_DEAD: cache_remove_dev(cpu); - if (per_cpu_cacheinfo(cpu)) - free_cache_attributes(cpu); + free_cache_attributes(cpu); break; } return notifier_from_errno(rc); |