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| author |   SeongJae Park <sj@kernel.org> | 2021-11-19 16:43:52 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2021-11-20 10:35:54 -0800 |
| commit | d78f3853f831eee46c6dbe726debf3be9e9c0d05 (patch) | |
| tree | 93b109b0e3045af3b997ca7c2b09fcddeab65310 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | mm/damon/dbgfs: use '__GFP_NOWARN' for user-specified size buffer allocation (diff) | |
| download | wireguard-linux-d78f3853f831eee46c6dbe726debf3be9e9c0d05.tar.xz wireguard-linux-d78f3853f831eee46c6dbe726debf3be9e9c0d05.zip | |
mm/damon/dbgfs: fix missed use of damon_dbgfs_lock
DAMON debugfs is supposed to protect dbgfs_ctxs, dbgfs_nr_ctxs, and
dbgfs_dirs using damon_dbgfs_lock. However, some of the code is
accessing the variables without the protection. This fixes it by
protecting all such accesses.
Link: https://lkml.kernel.org/r/20211110145758.16558-3-sj@kernel.org
Fixes: 75c1c2b53c78 ("mm/damon/dbgfs: support multiple contexts")
Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions