diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/events/core.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c index dfe09b033273..89fb069913d0 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -7098,7 +7098,7 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) rb = event->rb; if (!rb) - goto aux_unlock; + goto unlock; aux_mutex = &rb->aux_mutex; mutex_lock(aux_mutex); @@ -7107,27 +7107,27 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma) aux_size = READ_ONCE(rb->user_page->aux_size); if (aux_offset < perf_data_size(rb) + PAGE_SIZE) - goto aux_unlock; + goto unlock; if (aux_offset != vma->vm_pgoff << PAGE_SHIFT) - goto aux_unlock; + goto unlock; /* already mapped with a different offset */ if (rb_has_aux(rb) && rb->aux_pgoff != vma->vm_pgoff) - goto aux_unlock; + goto unlock; if (aux_size != nr_pages * PAGE_SIZE) - goto aux_unlock; + goto unlock; /* already mapped with a different size */ if (rb_has_aux(rb) && rb->aux_nr_pages != nr_pages) - goto aux_unlock; + goto unlock; if (!is_power_of_2(nr_pages)) - goto aux_unlock; + goto unlock; if (!atomic_inc_not_zero(&rb->mmap_count)) - goto aux_unlock; + goto unlock; if (rb_has_aux(rb)) { atomic_inc(&rb->aux_mmap_count); @@ -7161,7 +7161,6 @@ aux_success: } unlock: -aux_unlock: if (aux_mutex) mutex_unlock(aux_mutex); mutex_unlock(&event->mmap_mutex); |