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| author | Andreas Gruenbacher <agruenba@redhat.com> | 2020-07-27 20:18:57 +0300 |
|---|---|---|
| committer | Andreas Gruenbacher <agruenba@redhat.com> | 2020-08-03 14:45:37 +0300 |
| commit | c07bfb4d8fa1ee11c6d18b093d0bb6c8832d3626 (patch) | |
| tree | 2a15ed75ca0f4b009a65f9572ee053db321b8344 | |
| parent | 4c5c3010408d872359134cfa209619778d8f15e6 (diff) | |
| download | linux-c07bfb4d8fa1ee11c6d18b093d0bb6c8832d3626.tar.xz | |
gfs2: Fix refcount leak in gfs2_glock_poke
In gfs2_glock_poke, make sure gfs2_holder_uninit is called on the local
glock holder. Without that, we're leaking a glock and a pid reference.
Fixes: 9e8990dea926 ("gfs2: Smarter iopen glock waiting")
Cc: stable@vger.kernel.org # v5.8+
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
| -rw-r--r-- | fs/gfs2/glock.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index 57134d326cfa..f13b136654ca 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -790,9 +790,11 @@ static void gfs2_glock_poke(struct gfs2_glock *gl) struct gfs2_holder gh; int error; - error = gfs2_glock_nq_init(gl, LM_ST_SHARED, flags, &gh); + gfs2_holder_init(gl, LM_ST_SHARED, flags, &gh); + error = gfs2_glock_nq(&gh); if (!error) gfs2_glock_dq(&gh); + gfs2_holder_uninit(&gh); } static bool gfs2_try_evict(struct gfs2_glock *gl) |