From: Mark Brown <broonie@opensource.wolfsonmicro.com>
Date: Tue, 5 Feb 2013 14:14:32 +0000 (+0000)
Subject: regmap: spi: Handle allocation failures gracefully
X-Git-Tag: archive/raspbian/4.9.13-1+rpi1~10^2~9260^2~6^2
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks:///%22http:/www.example.com/cgi/%22https:/%22bookmarks:/?a=commitdiff_plain;h=95601d65a1aa0902f838a2919e11ee6311efe371;p=linux-4.9.git

regmap: spi: Handle allocation failures gracefully

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---

diff --git a/drivers/base/regmap/regmap-spi.c b/drivers/base/regmap/regmap-spi.c
index 913274b5f00a..4c506bd940f3 100644
--- a/drivers/base/regmap/regmap-spi.c
+++ b/drivers/base/regmap/regmap-spi.c
@@ -86,6 +86,8 @@ static struct regmap_async *regmap_spi_async_alloc(void)
 	struct regmap_async_spi *async_spi;
 
 	async_spi = kzalloc(sizeof(*async_spi), GFP_KERNEL);
+	if (!async_spi)
+		return NULL;
 
 	return &async_spi->core;
 }