diff options
| author | Kirill Tkhai <ktkhai@virtuozzo.com> | 2018-08-27 18:29:29 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-25 09:53:08 +0100 |
| commit | c0c3f27fe1af279590da27cc2b816fb4e7e8ccbb (patch) | |
| tree | fd1e92140692d8462420c6fa85ed7dea5cfb8845 /fs/fuse | |
| parent | 6bce2b94291a3ffa1e62196c518abf130428547d (diff) | |
fuse: use READ_ONCE on congestion_threshold and max_background
[ Upstream commit 2a23f2b8adbe4bd584f936f7ac17a99750eed9d7 ]
Since they are of unsigned int type, it's allowed to read them
unlocked during reporting to userspace. Let's underline this fact
with READ_ONCE() macroses.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs/fuse')
| -rw-r--r-- | fs/fuse/control.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/fuse/control.c b/fs/fuse/control.c index e25c40c10f4f..97ac2f5843fc 100644 --- a/fs/fuse/control.c +++ b/fs/fuse/control.c @@ -107,7 +107,7 @@ static ssize_t fuse_conn_max_background_read(struct file *file, if (!fc) return 0; - val = fc->max_background; + val = READ_ONCE(fc->max_background); fuse_conn_put(fc); return fuse_conn_limit_read(file, buf, len, ppos, val); @@ -144,7 +144,7 @@ static ssize_t fuse_conn_congestion_threshold_read(struct file *file, if (!fc) return 0; - val = fc->congestion_threshold; + val = READ_ONCE(fc->congestion_threshold); fuse_conn_put(fc); return fuse_conn_limit_read(file, buf, len, ppos, val); |