linux-kernel - [PATCH] phy: tegra: Handle return value of kasprintf

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Date:   Wed, 20 Sep 2017 12:35:57 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     kishon@...com, thierry.reding@...il.com, jonathanh@...dia.com
Cc:     linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: [PATCH] phy: tegra: 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/phy/tegra/xusb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index 3cbcb25..4307bf0 100644
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -454,6 +454,8 @@ struct tegra_xusb_lane *
 		char *name;
 
 		name = kasprintf(GFP_KERNEL, "%s-%u", type, index);
+		if (!name)
+			return ERR_PTR(-ENOMEM);
 		np = of_find_node_by_name(np, name);
 		kfree(name);
 	}
-- 
1.9.1