diff options
| author | Kirill Tkhai <ktkhai@virtuozzo.com> | 2018-08-27 18:29:29 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-20 18:00:52 +0100 |
| commit | 2b149bb378bc34545549d2e8c35f2bbdf1debc92 (patch) | |
| tree | a011b8dd610d1afca507a67d03c4ce0567c70cac /fs/fuse/control.c | |
| parent | 9d7681036dd09c5e4c8699f413188a9ab8b53efb (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/control.c')
| -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 5be0339dcceb..42bed87dd5ea 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); |