From: Borislav Petkov <bp@suse.de>
Date: Sat, 20 Apr 2019 19:39:24 +0000 (+0200)
Subject: RAS/CEC: Fix potential memory leak
X-Git-Tag: v5.4-rc1~678^2~11
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d0e375e8f26edd2e577e3afa9d952f91037cbd87;p=platform%2Fkernel%2Flinux-rpi.git

RAS/CEC: Fix potential memory leak

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>
---

diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
index 31868bd..f57e869 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);