[Cluster-devel] [PATCH] gfs2: Fix refcount leak in gfs2_glock_poke
Andreas Gruenbacher
agruenba at redhat.com
Mon Aug 3 11:52:13 UTC 2020
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 at vger.kernel.org # v5.8+
Signed-off-by: Andreas Gruenbacher <agruenba at redhat.com>
---
fs/gfs2/glock.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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)
--
2.26.2
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