diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2015-10-01 16:14:24 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-10-01 16:14:24 +0200 |
| commit | bebcb8dab6bac53b6a61a896db03781d1992cadb (patch) | |
| tree | 4793b0c2e913db8cf573ee52d568471603273af6 /drivers/base/cacheinfo.c | |
| parent | 26c21dd9885a2d8a4f4d539917c4877ffd399286 (diff) | |
| parent | f1e0bb0ad473a32d1b7e6d285ae9f7e47710bb5e (diff) | |
Merge branch 'irq/for-arm' into irq/core
Bring in the change which we offered arm[64] folks to pull into their
trees.
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 764280a91776..e9fd32e91668 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); |