From: Arvind Yadav <arvind.yadav.cs@gmail.com>
Date: Wed, 20 Sep 2017 07:05:57 +0000 (+0530)
Subject: phy: tegra: Handle return value of kasprintf
X-Git-Tag: v4.14-rc6~3^2~14^2~7
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1df79cb3bae754e4a42240f9851ed82549a44f1a;p=thirdparty%2Fkernel%2Flinux.git

phy: tegra: Handle return value of kasprintf

kasprintf() can fail and it's return value must be checked.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---

diff --git a/drivers/phy/tegra/xusb.c b/drivers/phy/tegra/xusb.c
index 3cbcb25376576..4307bf0013e18 100644
--- a/drivers/phy/tegra/xusb.c
+++ b/drivers/phy/tegra/xusb.c
@@ -454,6 +454,8 @@ tegra_xusb_find_port_node(struct tegra_xusb_padctl *padctl, const char *type,
 		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);
 	}