diff options
| author | David Howells <dhowells@redhat.com> | 2022-03-11 14:24:29 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-11 19:17:13 +0100 |
| commit | 7ea1a0124b6da246b5bc8c66cddaafd36acf3ecb (patch) | |
| tree | 4fad9cea9259df10da75c44d4788a62d920ba661 /kernel/watch_queue.c | |
| parent | watch_queue: Fix the alloc bitmap size to reflect notes allocated (diff) | |
| download | linux-7ea1a0124b6da246b5bc8c66cddaafd36acf3ecb.tar.xz linux-7ea1a0124b6da246b5bc8c66cddaafd36acf3ecb.zip | |
watch_queue: Free the alloc bitmap when the watch_queue is torn down
Free the watch_queue note allocation bitmap when the watch_queue is
destroyed.
Fixes: c73be61cede5 ("pipe: Add general notification queue support")
Reported-by: Jann Horn <jannh@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/watch_queue.c')
| -rw-r--r-- | kernel/watch_queue.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/watch_queue.c b/kernel/watch_queue.c index 9c476d2cbac0..c12267ccc70e 100644 --- a/kernel/watch_queue.c +++ b/kernel/watch_queue.c @@ -370,6 +370,7 @@ static void __put_watch_queue(struct kref *kref) for (i = 0; i < wqueue->nr_pages; i++) __free_page(wqueue->notes[i]); + bitmap_free(wqueue->notes_bitmap); wfilter = rcu_access_pointer(wqueue->filter); if (wfilter) |