[PATCH 06/11] RAS/CEC: Fix potential memory leak

Borislav Petkov
2019-05-09T18:10:01Z

Free the array page if a failure is encountered while creating the
debugfs nodes.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
---
drivers/ras/cec.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index 667a126f39f1..8a04b9864192 100644
--- a/drivers/ras/cec.c
+++ b/drivers/ras/cec.c
@@ -504,8 +504,10 @@ void __init cec_init(void)
return;
}

- if (create_debugfs_nodes())
+ if (create_debugfs_nodes()) {
+ free_page((unsigned long)ce_arr.array);
return;
+ }

INIT_DELAYED_WORK(&cec_work, cec_work_fn);
schedule_delayed_work(&cec_work, CEC_DECAY_DEFAULT_INTERVAL);
--
2.21.0