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| author | Kirill Tkhai <ktkhai@virtuozzo.com> | 2018-08-27 18:29:29 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-20 20:47:53 +0300 |
| commit | d7b412e1448e84db8c6b1987a1e1eae829dd1197 (patch) | |
| tree | 3a4a4f0c2c0794e12111ea1fc94840444b99991a /fs/fuse | |
| parent | 2e72489c822e56124007539cbcb12c62fe30581a (diff) | |
| download | linux-d7b412e1448e84db8c6b1987a1e1eae829dd1197.tar.xz | |
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 0b694655d988..acc35819aae6 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); |