From 9caeb26c5446fbf835c88c0bfc470d66aaad82c6 Mon Sep 17 00:00:00 2001
From: Peng Fan <van.freenix@gmail.com>
Date: Sun, 20 Mar 2016 21:21:36 +0800
Subject: cmd: spi: check return value of strdup

Check return value of strdup.

Signed-off-by: Peng Fan <van.freenix@gmail.com>
Cc: Przemyslaw Marczak <p.marczak@samsung.com>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Heiko Schocher <hs@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stefan Roese <sr@denx.de>
Cc: Tom Rini <trini@konsulko.com>
---
 cmd/spi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/cmd/spi.c b/cmd/spi.c
index 64c3ffc..f16ef9a 100644
--- a/cmd/spi.c
+++ b/cmd/spi.c
@@ -51,6 +51,8 @@ static int do_spi_xfer(int bus, int cs)
 
 	snprintf(name, sizeof(name), "generic_%d:%d", bus, cs);
 	str = strdup(name);
+	if (!str)
+		return -ENOMEM;
 	ret = spi_get_bus_and_cs(bus, cs, 1000000, mode, "spi_generic_drv",
 				 str, &dev, &slave);
 	if (ret)
-- 
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