linux-kernel - [PATCH 2/3] EDAC: sb_edac: Handle return value of kasprintf

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Message-Id: <1505980393-20307-3-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Thu, 21 Sep 2017 13:23:12 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     mchehab@...nel.org, bp@...en8.de, tony.luck@...el.com
Cc:     linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] EDAC: sb_edac: Handle return value of kasprintf

kasprintf() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/edac/sb_edac.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index dc05916..2b9e831 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -3286,6 +3286,10 @@ static int sbridge_register_mci(struct sbridge_dev *sbridge_dev, enum type type)
 			pvt->sbridge_dev->source_id, pvt->sbridge_dev->dom);
 		break;
 	}
+	if (!mci->ctl_name) {
+		rc = -ENOMEM;
+		goto fail0;
+	}
 
 	/* Get dimm basic config and the memory layout */
 	rc = get_dimm_config(mci);
-- 
1.9.1