diff options
| author | Matthew Wilcox <mawilcox@microsoft.com> | 2018-06-07 07:57:20 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2018-06-12 16:19:22 -0700 |
| commit | 6566f907bf3168a082b3fd8542a9938a44d8f0b6 (patch) | |
| tree | a1f07128d63c93a97b8a0cf1e0641153f67b8654 /arch | |
| parent | a3ac973076df54493bfcfa95f186907c7dba6ed2 (diff) | |
| download | linux-6566f907bf3168a082b3fd8542a9938a44d8f0b6.tar.bz2 | |
Convert intel uncore to struct_size
Need to do a bit of rearranging to make this work.
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/events/intel/uncore.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c index 15b07379e72d..e15cfad4f89b 100644 --- a/arch/x86/events/intel/uncore.c +++ b/arch/x86/events/intel/uncore.c @@ -865,8 +865,6 @@ static void uncore_types_exit(struct intel_uncore_type **types) static int __init uncore_type_init(struct intel_uncore_type *type, bool setid) { struct intel_uncore_pmu *pmus; - struct attribute_group *attr_group; - struct attribute **attrs; size_t size; int i, j; @@ -891,21 +889,24 @@ static int __init uncore_type_init(struct intel_uncore_type *type, bool setid) 0, type->num_counters, 0, 0); if (type->event_descs) { + struct { + struct attribute_group group; + struct attribute *attrs[]; + } *attr_group; for (i = 0; type->event_descs[i].attr.attr.name; i++); - attr_group = kzalloc(sizeof(struct attribute *) * (i + 1) + - sizeof(*attr_group), GFP_KERNEL); + attr_group = kzalloc(struct_size(attr_group, attrs, i + 1), + GFP_KERNEL); if (!attr_group) goto err; - attrs = (struct attribute **)(attr_group + 1); - attr_group->name = "events"; - attr_group->attrs = attrs; + attr_group->group.name = "events"; + attr_group->group.attrs = attr_group->attrs; for (j = 0; j < i; j++) - attrs[j] = &type->event_descs[j].attr.attr; + attr_group->attrs[j] = &type->event_descs[j].attr.attr; - type->events_group = attr_group; + type->events_group = &attr_group->group; } type->pmu_group = &uncore_pmu_attr_group; |