6.1-stable review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter dan.carpenter@linaro.org
commit 650266ac4c7230c89bcd1307acf5c9c92cfa85e2 upstream.
We need to call dm_put_live_table() even if dm_get_live_table() returns NULL.
Fixes: 9355a9eb21a5 ("dm: support key eviction from keyslot managers of underlying devices") Cc: stable@vger.kernel.org # v5.12+ Signed-off-by: Dan Carpenter dan.carpenter@linaro.org Signed-off-by: Mikulas Patocka mpatocka@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/md/dm-table.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/md/dm-table.c +++ b/drivers/md/dm-table.c @@ -1243,7 +1243,7 @@ static int dm_keyslot_evict(struct blk_c
t = dm_get_live_table(md, &srcu_idx); if (!t) - return 0; + goto put_live_table;
for (unsigned int i = 0; i < t->num_targets; i++) { struct dm_target *ti = dm_table_get_target(t, i); @@ -1254,6 +1254,7 @@ static int dm_keyslot_evict(struct blk_c (void *)key); }
+put_live_table: dm_put_live_table(md, srcu_idx); return 0; }